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	100 centimètres		2002-11-13
		Un élève pose la question : je voudrais savoir la contenance de 100 centimètres cube en litre? Diane Hanson lui répond.
	Time, distance and rate		2021-03-10
		Zander pose la question : A lady drives 180km from her wine farm to Ceres. On her return (at night) she drove 30km/h slower. Her return takes one hour longer. At what speed did she drive home? Penny Nom lui répond.
	Running around a circular track		2020-10-31
		kaylee pose la question : Keiko and Kendra are training for an international track competition. Kendra is running one lap on the outside of a circular track with a diameter of 1000 feet. Her constant rate of speed is 12 mi/h. Keiko is running one lap on the outside of a nearby circular track with a diameter of 1125 feet. She is also running at 12 mi/h. Find the time, in minutes, each runner needs to complete one lap. Harley Weston lui répond.
	A problem involving distance, time, and rate.		2020-09-15
		Ruby pose la question : Amy drove on the highways at 70 miles/hour to pick up fruits from her grandma’s garden in the morning. She stayed there for two hours. When coming back in the afternoon, she drove on the local roads at 40 miles per hour to avoid traffic. She spent a total of 8 hours for this trip, and drove a total 300 miles. How many miles did she drive each way? Penny Nom lui répond.
	A word problem with no algebra		2020-08-11
		Julie pose la question : At 3pm, Bruce headed north at 30 km/hr. 2 hours later, Lucy headed south at 40 km/hr. At what time will they be 340 km apart Penny Nom lui répond.
	Running in opposite directions around a circular track		2020-05-11
		Alessandra pose la question : 2. Alan and Brian are two runners. Alan runs at 6.6 m/s and Brian runs at 8.4 m/s. They start from the same place on a circular 400 m track and run in opposite directions round and round the track. (a) How far has Brian run when they pass each other for the first time? (b) After they pass each other for the second time, how much further does Brian need to run in order to complete two laps (800 m)? Penny Nom lui répond.
	The flight of a football		2020-05-06
		Michael pose la question : Football is thrown from a 10-yard line. It reaches its highest height of 20 yards. It lands on the 50-yard line after 2 seconds. What is the equation of the parabola that models this throw? I really need help as I've been on this for the longest amount of time. Penny Nom lui répond.
	Sam and Claudia go on a bike hike		2020-03-03
		Christie pose la question : Sam and Claudia start at the same time on a bike hike of 150 miles. Sam travels 3 miles per hour faster than Claudia and finishes the trip 8 1/3 hours before Claudia. At what rate in miles per hour does Sam travel? Penny Nom lui répond.
	Mandy walks to work		2019-09-15
		Kenneth pose la question : Mandy walks to work at a constant rate. One-third of the way to work, she passes a bank. Three-fourths of the way to work, she passes a book store. At the bank her watch reads 7:52 A.M., and at the book store it reads 8:02 A.M. At what time is Mandy one-half of the way to work? Harley Weston lui répond.
	Distance traveled		2019-07-03
		J pose la question : If a fly flies at 15 feet per a second between two walls closing in upon themselves. Wall A is moving to the right at 3 feet a second and wall B is moving to the left at 15 feet a minute, how far will the fly fly before the walls touch? Penny Nom lui répond.
	A car drives over a cliff		2019-06-06
		Victor pose la question : A car was going 90 mph towards 90foot drop. What would the distance would the car travel horizontally ,from the cliff edge? Penny Nom lui répond.
	Running around a circular track in opposite directions		2019-02-24
		carmi pose la question : how many times will lita and rose pass each other in 15 minutes if lita and rose start jogging on a 110 meters circular track. they begin at the same point but in opposite direction. lita at 8/3 meters per second and rose at 7/3 meters per second. Penny Nom lui répond.
	Amy and Joey on a circular track		2018-08-13
		Zoe pose la question : Amy and Joey are situated on a circular track 400 feet around. Joey starts running at a rate of 10 feet per second. Amy waits for a full minute, then starts running from the same point (in the same direction) at 12 feet per second. How many seconds elapse before Amy passes Joey on the track? Penny Nom lui répond.
	Converting inches to centimeters		2018-05-25
		Jason pose la question : Hi! Is there a method to approximately convert inches to cm in my head without using a calculator? Thanks! Jason Penny Nom lui répond.
	An egg falls from rest		2018-05-10
		Amy pose la question : An egg falls from rest a distance of 75cm to the floor. Neglecting air resistance, at what speed does it hit the floor? Penny Nom lui répond.
	Throwing a football		2018-04-26
		Abby pose la question : Daring Danny's threw a football at an angle of 40 degrees to the horizontal. The football hit the ground at 36 feet. Danny is 5 feet 1 inch tall. Find the initial velocity I have been trying to figure this problem out for forever! Please help! I am really confused because I don't know time either and you are supposed to find that as well as velocity. Penny Nom lui répond.
	A cyclist reduces his speed		2018-02-27
		Katherine pose la question : Suppose the winner had reduced his average cycling rate by .1 mile per hour. By how much would his time have changed? (the cyclist's rate is 23.66 miles per hour and the answer to the question before this one was that he cycled 2,292 miles in 96.87 hours) Penny Nom lui répond.
	Walking up and down a hill		2017-09-19
		Justina pose la question : At 2:20 p.m. Jack is at the top of the hill and starts walking down at the exact same time that Jill, who is at the bottom of the hill, starts walking up. If they maintain the uphill speed of 2mph and downhill speed of 4mph and the distance from the bottom to the top of the hill is 1.5 mi, at what time will Jack and Jill meet? Penny Nom lui répond.
	Up a hill and down again		2017-09-17
		justina pose la question : Jack and Jill travel up a hill at a speed of 2mi/h.they travel back down the hill at a speed of 4mi/h.what is their average speed for the entire trip? express your answer as a mixed number Penny Nom lui répond.
	Annual salary		2017-09-01
		Lisa pose la question : I am applying for a job that pays $16.00 per hour, plus 5 hours of overtime every 2 weeks. I live in California, where overtime is 1.5 times the regular rate of pay after you work 8 hours a day. What would the gross annual salary be with all the overtime hours added in? Penny Nom lui répond.
	A car on a rough road and a concrete road		2017-08-27
		Ken pose la question : A car is driven on a rough road at a speed of 25km and then on a concrete road with a speed of 70kph. The car has 5.5 hours to travel 225km. How long did the car travel on concrete road? Penny Nom lui répond.
	A police officer spots a speeding car		2017-07-20
		Josh pose la question : Marie, a police officer, spots a speeding car and starts chasing it. The speeding car travels at a speed of 130 feet per second. Marie's car reaches a constant speed of 145 feet per second 1725 feet from the start of the chase. During that time, the speeding car has traveled 3150 feet. Write a system of equations to represent this situation. Penny Nom lui répond.
	How fast am I travelling?		2017-06-24
		corey pose la question : if i travel 2 miles in 10 seconds, how fast am i travelling please Penny Nom lui répond.
	A man drives 48km in 45 minutes		2017-06-03
		Jamal pose la question : A man drives from Ibadan to Oyo a distance of 48km in 45 minutes. If he drives at 72km/h where the surface is good and 48km/h where the surface is bad. Find the number of kilometers of good surfaces Penny Nom lui répond.
	Initial velocity		2017-05-23
		Annelle pose la question : a body is thrown vertically downward from a height above the ground. determine the initial velocity and the height of the starting point if after 4 secs it reaches the ground with velocity of 68 m/s. Penny Nom lui répond.
	The length of a train		2017-04-24
		Stefano pose la question : If a freight train is coming towards you and you were traveling at 85 miles an hour and it takes 35 seconds for the train to pass you how long is the train Figure 50mph for train Penny Nom lui répond.
	Travelling upstream and downstream		2016-10-17
		Kathleen pose la question : It took a boat 2 hours to reach town A going upstream. The way back was 1h20 min. What is the speed of the boat in still water if the speed of the stream is 3 mph? Penny Nom lui répond.
	A car chase		2016-09-25
		Ms. pose la question : Car 1 is traveling down the road at 50 mph and passes Car 2 is sitting on the side of the road. Car 2 needs to catch Car 1 one half mile down the road. How fast must Car 2 drive to catch Car 1 if Car 2 waits 10 seconds before pursuing Car 1? Yes, the assumption is that the Car 2 can accelerate from a standing position and over take Car 1 rate. What is the answer or formula for this type of question? Respectfully Befuddled Mom? Penny Nom lui répond.
	How fast and how far must Car 2 travel before catching Car 1?		2016-09-25
		Ms. pose la question : Car 1 is traveling down the road at 50 mph and passes Car 2 is sitting on the side of the road. Car 2 needs to catch Car 1 one half mile down the road. How fast must Car 2 drive to catch Car 1 if Car 2 waits 10 seconds before pursuing Car 1? Yes, the assumption is that the Car 2 can accelerate from a standing position and over take Car 1 rate. What is the answer or formula for this type of question? Respectfully Befuddled Mom? Penny Nom lui répond.
	John and Max walk to meet each other		2016-05-29
		abhay pose la question : The speeds of John and Max are 30 km/h and 40 km/h.Initially Max is at a place L and John is at a place M. The distance between L and M is 650 km. John started his journey 3 hours earlier than Max to meet each other. If they meet each other at a place P somewhere between L and M, then the distance between P and M is? Penny Nom lui répond.
	At what time will Sara catch up with Jake?		2016-05-07
		Laura pose la question : At 11:00 a.m., Jake started driving along a highway at constant speed of 50 miles per hour. A quarter of an hour later, Sara started driving along the same highway in the same direction as Jake at the constant speed of 65 miles per hour. At what time will Sara catch up with Jake? Penny Nom lui répond.
	A 3 hour river cruise		2016-05-06
		Jan pose la question : A 3 hour river cruise goes 15km upstream and then back again.The river has a current speed of 2km/h.what is the boat's speed and how long was the upstream journey? Penny Nom lui répond.
	A road trip word problem		2016-04-10
		Marc pose la question : While on a road trip I imagined this random word problem. Suppose I start a trip of 75 miles. My initial speed is 75 miles per hour. After every mile traveled I decrease my speed by one mile per hour. After the first mile I decrease my speed to 74 miles per hour and so on for each subsequent mile traveled. How long will it take to complete the 75 mile journey? Penny Nom lui répond.
	Biking and jogging		2016-03-17
		alondra pose la question : Ricky went on a bike ride. After 6 miles he got a flat tire and had to jog home. He jogs 3mph slower than he bikes, so the jog took 1 hour longer than the bike ride. At what rate did he travel each way? Penny Nom lui répond.
	Travelling with and against he current		2016-02-09
		Lloyd pose la question : A boat travelled 210 miles downstream and back. The trip downstream took 10hrs, the trip back took 70hrs 1. what is the speed of the current? 2. what is the speed of the boat in still water? Penny Nom lui répond.
	A two car competition		2016-02-02
		Christian pose la question : Question: Two cars are racing to a fixed point and back. One car travels 70 MPH both ways While the other travels 60 MPH there and 80 MPH back, which car won the race? It is not a tie. Penny Nom lui répond.
	Matthew skateboards around the school		2015-12-09
		Abigail pose la question : Matthew skateboards 4km each hour. How long will it take him to skateboard around the school yard measuring 300m by 200m.? Thank you. Penny Nom lui répond.
	Travelling in opposite directions		2015-12-06
		Roselyn pose la question : Jenny and Mark commute to work, travelling in opposite directions. Jenny leaves the house at 8 AM, and averages 35 kph. Mark leaves at 8:15 AM, and averages 40 kph.At what time will they be 40 kilometers apart? Penny Nom lui répond.
	Riding a mountain bike up and down a mountain		2015-12-02
		sam pose la question : Michael, can climb a mountain at 2.5km/hr on his mountain bike. he descends the mountain at 5.5km/hr. he completes the whole circuit in 7 hours. how long is the trail to the top of the mountain? Penny Nom lui répond.
	I was wondering what xy means.		2015-09-30
		Eric pose la question : I was wondering what xy means. My two things I think it means are the two digits of x and y or x times y. thanks for your time, Eric Penny Nom lui répond.
	Two lorries approaching an intersection		2015-05-15
		Nuraini pose la question : Two straight roads intersect at the right angles. Lorry A, moving on one of the roads, Approaches the intersection at 50mi/h and lorry B, moving on the other roads, approaches the intersection at 20mi/h. At what rate is the distance between the lorry changing when A is 0.4 mile from the intersection and B is 0.3 mile from the intersection? Penny Nom lui répond.
	Two cars approaching an intersection		2015-04-16
		Engabu pose la question : Car A is traveling west at 50km/h & car B is traveling north at 60km/h. both are headed for the intersection of the two roads. At what rate are the cars approaching each other when car A is 3km & car B is 4km from the intersection? Penny Nom lui répond.
	A train trip		2015-03-23
		Ngcebo pose la question : A train travels a distance of 720 km at a speed of x km/h. on the return journey, it travels at an average speed of y km/h and completes the whole journey in an hour less. if the speed during the return journey was 10 km/h more, what were the speeds in m/s Penny Nom lui répond.
	Average rate for a return trip		2015-03-14
		Michael pose la question : Jeffrey drove to a town 25 miles away at an average speed of 50 miles per hour. The return trip along the same route took 20 minutes longer than the trip to town. Determine the average speed in miles per hour for Jeffrey's round trip. Penny Nom lui répond.
	Istanbul to Lagos		2015-03-03
		Victor pose la question : A plane flies from Istanbul to Lagos at 800km/h and then returns to Istanbul at 900km/h. The return trip takes 1 hour less than the flight to Lagos. What is the distance between Istanbul and Lagos? Penny Nom lui répond.
	Distance, time and rate for three people		2015-02-15
		Mubashir pose la question : Steven left Town A and walked towards Town B at a speed of 100m/min. At the same time, Jason and Melvin started from Town B and walked towards Town A at a speed of 80m/min and 75m/min respectively. If Steven met Melvin six minutes after passing Jason, find the distance between Town A and Town B. Penny Nom lui répond.
	Speed, distance and time		2015-02-06
		Terry pose la question : How many seconds would it take to travel 0.18 km at a speed of 130km per hour? Penny Nom lui répond.
	Two cars pass each other going in opposite directions		2015-02-03
		Caroline pose la question : Two cars pass each other going i opposite directions. One car is going 100 km/h and the other is going 80 km/h. How far apart will the two cars be after driving 45 minutes at these rates of speed? Penny Nom lui répond.
	A train from Vancouver to Whistler		2015-02-02
		Tea pose la question : Serena and Nina are taking a train from Vancouver to Whistler, a 160km trip. If the average speed is decreased by 16km/hr, the trip will be 1/2 hours longer. What is the average speed of the train? Thanks :) Penny Nom lui répond.
	A motorbike race		2015-01-25
		Pramegh pose la question : In a motorbike race of 75 km, the winner completes the race with a lead of 300 meters and 8 seconds before the second rider. Considering the riders ride with an average speed, find the difference between their speeds with which they completed the race. (Calculate up to 2 decimal places) Penny Nom lui répond.
	Two cars		2015-01-18
		taylor pose la question : two cars leave the park at the same time, one traveling north at a speed 10 mph faster than the other which is traveling south. after 3 hours the cars are 420 miles apart. find the speed of both cars Penny Nom lui répond.
	Pumping water from a borehole		2015-01-18
		patience pose la question : An empty tank for storing water from a borehole has a volume of 480 cubic metres. If it is filled by a pump that pumps water at a rate of 16 litres per second, how many hours will it take the pump to fill this tank please show all calculations Penny Nom lui répond.
	196 kilometer in2 hours		2014-12-29
		Ekanem pose la question : QQ A motorist had planned to reach a place 196km in two hrs exactly. For the first 15km he was able to average only 40km/h. What average speed must he keep up for the rest of the journey if he is to arrive on time. Penny Nom lui répond.
	What is the speed of the boat in still water?		2014-10-30
		Adam pose la question : The current in a stream moves at a speed of 2 km/h. A boat travels 38 km upstream and 38 km downstream in a total time of 3 hr. What is the speed of the boat in still water? Penny Nom lui répond.
	A man a ship and a wharf		2014-09-26
		Ralph pose la question : A man om wharf 12 meters above the level of water is pulling a rope tide to a boat at the rate of 2 meters per minute. How fast is the boat approaching the wharf when there are 20 meters of the rope our. (with solution) Penny Nom lui répond.
	Problem solving		2014-09-08
		hubert pose la question : a car left the house and travelled at an average speed of 60 kph.how many minutes will it take for the car to reach the school which is 8 km away from the house Penny Nom lui répond.
	A car passing a bus		2014-08-24
		Athish pose la question : the driver of the car is travelling at 36 km/hr and spots a bus 80 m ahead of him after 1 hr the bus is 120 m behind the car what is the speed of the bus Penny Nom lui répond.
	Distance, speed and time		2014-08-13
		abdel pose la question : Mac walked to a park from the college at 5 km/h. 10 minutes later, Steve started riding his bike at 15 km/h to the same park to meet Mac. They arrive at the same time at the park. How far is the park from the college? Tyler Wood lui répond.
	Speed, distance, time		2014-08-13
		Aarti pose la question : a theif running at 8 km/hr is chased by a policeman whose speed is 10km/hr.if the thief is 100 m ahead the policeman then what will b time required for the policeman to catch the thief? Tyler Wood lui répond.
	What is the speed of the buses?		2014-05-18
		musliu pose la question : Two buses leave a bus station and travel in opposite direction from that same starting point.if the speed of one is twice the speed of the other and they are 240km apart at the end of 1h, what is the speed of the buses? Penny Nom lui répond.
	Travelling upstream and downstream		2014-05-12
		Mohanad pose la question : Howie Sorkin can travel 8 miles upstream in the same time it takes him to go 12 miles downstream. His boat goes 15 mph in still water. What is the rate of the current? Penny Nom lui répond.
	2 cars driving towards each other		2014-04-27
		Joakim pose la question : 2 cars driving towards eachother , the distance between them is 162km. they meet after 2 hours. car A is driving with 4/5 of car B´s speed. what is the speed of each car... Penny Nom lui répond.
	What time was it when joe's brother passed him?		2014-04-25
		Nathan pose la question : joe left home in his bike at 10:00 am, traveling 21 km/h. At noon, his brother set out after him on his motorcycle, following the same route. if the motorcycle traveled at 63 km/h, what time was it when joe's brother passed him? Penny Nom lui répond.
	A speed word problem		2014-02-24
		kiss pose la question : Hank bicycles 5 km/h slower than Kelly. In the time that it takes Hank to bicycle 42 km, Kelly can bicycle 57 km. How fast does each bicyclist travel? Penny Nom lui répond.
	How many cubic centimeters are in a cubic meter?		2014-02-11
		merylin pose la question : How many cubic centimeters are in a cubic meter? Use a sketch to explain your reasoning. Penny Nom lui répond.
	Two bicyclists traveled in opposite directions		2014-02-07
		Susan pose la question : Two bicyclists traveled in opposite directions, one at a rate of 8 km/hour and the other at a rate of 7 km per hour. In how many hours were they 45 km apart? Penny Nom lui répond.
	Walking up and down a hill		2014-02-06
		flo pose la question : michelle walks 4 km to the top of a hill at 3 km/h then immediately walks back down at an average speed of 5 km/h what is her average speed for the 8km walk Penny Nom lui répond.
	On what day of the week was July 4, 1904?		2014-01-11
		Madi pose la question : Hi guys, I have a question. July 4, 1903, was a Tuesday. On what day of the week was July 4, 1904? If you could give me an equation that would work for any question like this, that would be GREAT! Your fellow math scholar (in training), Madi Penny Nom lui répond.
	Two tuna boats		2014-01-09
		amanda pose la question : Two tuna boats start from the same port at the same time, but they head in opposite directions. The faster boat travels 10 knots per hour faster than the slower boat. At the end of 8 hours, they were 272 nautical miles had each boat traveled by the end of the 8 hour period? Penny Nom lui répond.
	One train overtaking another		2013-11-11
		kiran pose la question : two trains of equal length are running in parallel tracks in the same direction with the speed of 60km/hr and 90km/hr respectively the latter completely crosses the former in 30 seconds the length of each train is in mtr Penny Nom lui répond.
	The average time per mile for a marathoner		2013-11-04
		Peter pose la question : a runner ran a 26.2 mile marathon in 2hours 8minutes and 24secounds. the question is, what was his average time for each mile that he ran? Penny Nom lui répond.
	What is the original speed?		2013-08-10
		MJ pose la question : If a truck increases its average speed by 10 km/h it can cover 60 km at the original speed in the same time that it can cover 80 km at the faster speed. What is the original speed? Penny Nom lui répond.
	Diego and his dog		2013-07-09
		William pose la question : john went hunting and walked at a speed of 4 km/h. one hour later, Diego and his dog went to meet john with a speed of 6 km/h and the dog was running between john and diego until they meet up with a speed of 18 km/h. After Diego meets john, how much distance did the dog run? Penny Nom lui répond.
	If 4 cooks can bake 8 pies in 6 hours?????		2013-03-18
		Kenneth pose la question : Hello: I want to determine which quantities are directly and inversely proportional in order to determine the answer for the following:. If 4 cooks can bake 8 pies in 6 hours, 2 cooks can bake how many pies in 4 hours? Answer: 2 2/3 pies Can someone fully explain what I need to know in order to determine what is directly and inversely proportional in the example above? I thank you for your reply. Robert Dawson lui répond.
	6 miles in 28 minutes what's my average speed?		2013-03-05
		lynda pose la question : 6 miles in 28 minutes what's my average speed? Penny Nom lui répond.
	An electron in a TV tube		2013-02-15
		anu pose la question : an electron in a TV tube is beamed horizontally at a speed of (50^6) m/sec. towards the face of a tube 40 cm away about how far will the electron drop before it hits? no information has been provided of initial height from where it is beamed. Robert Dawson lui répond.
	A journey of two parts		2013-02-06
		Natalie pose la question : Mr Lim drove at 70 km per hour for 1 hour and 30 minutes. He then drove another 55 km. if his average speed for the whole journey was 80km per hour, what was his speed for the 55 km journey? Penny Nom lui répond.
	How fast are we approaching each other?		2013-01-11
		Heather pose la question : If I am skating at 7 mph, and a car drives towards me at 15 mph, how fast are we approaching each other? Penny Nom lui répond.
	Two swimmers		2012-10-22
		Emily pose la question : Two swimmers start from opposite sides of the pool. Each swimmer swims the length of the pool and back at a constant rate. They pass each other for the first time 40 feet from one side of the pool and for the second time 45 feet from the other side of the pool. What is the length of the pool? Penny Nom lui répond.
	A plane travelling with the wind and against the wind		2012-08-03
		Gwen pose la question : The time of a plane trip of 450 miles, with the wind is 3/5 the time of the return trip against the wind. If the plane travels 120 mph in still air, what is the wind speed? Penny Nom lui répond.
	A cyclist a jogger and a fly		2012-06-04
		Emd pose la question : A cyclist & a jogger are 20 miles apart. Cyclist goes 20 mph & jogger 7mph towards each other. A fly starts on nose of cyclist & flies at 20 mph from cyclist to jogger & back & forth until they meet. How far has the fly travelled? Penny Nom lui répond.
	Romeo and Juliet live 40 miles apart		2012-05-18
		Abigaíl pose la question : Romeo and Juliet live 40 miles apart. Romeo jogs 8mph, while Juliet “fast walks” at 4mph. They leave their houses at the same time and journey toward each other. a) How many hours after they start will they meet? b) Approximately how many miles from Romeo’s house is their meeting point? Penny Nom lui répond.
	Math, time and rate		2012-05-18
		Abigaíl pose la question : Romeo and Juliet live 40 miles apart. Romeo jogs 8mph, while Juliet “fast walks” at 4mph. They leave their houses at the same time and journey toward each other. a) How many hours after they start will they meet? b) Approximately how many miles from Romeo’s house is their meeting point? Penny Nom lui répond.
	Cycling and running		2012-05-07
		liz pose la question : a biathlete travels 20 miles in 2.25 hours. She cycles part of the way at 12 mph and runs the rest at 5 mph. How far did she run? Penny Nom lui répond.
	Two cars approach a right-angled intersection		2012-04-10
		Michael pose la question : Two cars approach a right-angled intersection, one traveling south a 40km/h and the other west at 70km/h. When the faster car is 4km from the intersection and the other case if 3km from the intersection, how fast is the distance between the car cars changing? Penny Nom lui répond.
	How long will it take lee to catch up with jodie?		2012-03-21
		kirsten pose la question : for example, if jodie is on the bus travelling at 10 m.p.h and lee is walking at 4 m.p.h how long will it take lee to catch up with jodie?? what is this mathematical name for this Harley Weston lui répond.
	Margie threw a ball		2012-02-16
		mary pose la question : at 9:45 Margie threw a ball upwards while standing on a platform 35ft above the ground. The height after t seconds follows the equation: h(t)= -0.6t^2 +72t+35 a) what will be the maximum height of the ball? b)how long will it take the ball reach its maximum height?? Harley Weston lui répond.
	Jack and Kate set off in their cars ...		2012-02-13
		akiri pose la question : Jack and Kate set off in their cars from the same point to travel the same journey. Jack has a start of eight minutes before Katie sets off. If Jack travels at 50mph and Katie travels at 75mph, how many miles will be travelled when the two cars are level? Penny Nom lui répond.
	There is a police officer in pursuit of suspect		2012-02-01
		Jay pose la question : There is a police officer in pursuit of suspect. They suspect is driving on a straight road traveling at 79 mph, the officer is 233 yds away, traveling at 92 mph, the suspects car 5 ft long and the officers car is 5.3 ft long, how long will it take to have the front of the officers car, equal to the front of the suspects car down to the tenth of a second. Harley Weston lui répond.
	Two cars in a race		2012-01-30
		Christine pose la question : In a car race, the speed of one car is 120kph and the other car is 105 kph. If the faster car finished the race 20 mins before the slower one, what was the distance of the race? Thanks for the answer and the previous answer to my question. Penny Nom lui répond.
	Brian on his bike		2012-01-16
		tiffany pose la question : Brian rides his bike 0.29 miles per minute. If it takes him 22 minutes to ride his bike to his friend's house, how far away does his friend live? Penny Nom lui répond.
	Running 5 km		2012-01-12
		Fayeann pose la question : What amount of time will it take a person running 7 m/s to travel a distance of 5 km? Penny Nom lui répond.
	Two trains passing each other		2011-12-07
		Tamkeen pose la question : two trains 245m and 315m long are travelling toward each other at 90km/h and 54km/h respectively on parallel lines . how long do the train take to pass one another train the time they meet each other? Penny Nom lui répond.
	Uniform acceleration		2011-12-06
		Android pose la question : At a certain instant, two cars A and B are 2000 ft apart. At this instant, car A is traveling at 15 miles/hr. and accelerating at 3 ft/s^2 while B is moving towards A at 30 miles/hr. and an acceleration of 2 ft/s^2. Find the ff: a.) The possible time of their collusion in minutes. b.) The distance in ft. each has traveled before collusion. Penny Nom lui répond.
	Two boats		2011-11-30
		Shayan pose la question : A boat is traveling 20 miles per hour when it passes a lighthouse. another boat is traveling at 15 miles per hour when it passes a point. the lighthouse and the point are 175 miles apart. when will the boats pass each other? Penny Nom lui répond.
	The average speed for the whole journey		2011-10-30
		Shahzad pose la question : a train travels 68 Km at an average speed of 51Km/h. It then travels another 20Km at an average speed of 40Km/h before reaching its destination. Calculate the average speed for the whole journey? Penny Nom lui répond.
	What is the speed of the boat in still water?		2011-10-07
		Hannah pose la question : The speed of a stream is 3 mph. A boat travels 10 miles upstream in the same time it takes to travel 16 miles downstream. What is the speed of the boat in still water Penny Nom lui répond.
	Chuong and Hassan drive to work		2011-10-04
		Dilshad pose la question : Chuong and Hassan both drive 40 km from home to work each day. One day Chuong said to Hasssan, "If you drive home at your usual speed, I will average 40 kmph faster than you and arrive home in 20 minutes less time." Find Hassan's speed. Penny Nom lui répond.
	The dimension of the box in centimetres		2011-08-27
		Eliza pose la question : Find the dimension of the box in centimetres. Then find its volume in cubic centimeters. The box is 0.7m (l) 0.4 (h) 0.2 (w) Penny Nom lui répond.
	Driving to meet Mary		2011-08-24
		Denise pose la question : mary leaves St Paul traveling 2000 miles @ 55 MPH; John leaves LA traveling 2000 miles @ 45 MPH how many miles will John had traveled to meet mary? Penny Nom lui répond.
	Achilles and a turtle		2011-07-01
		Jean pose la question : Achilles and a turtle are having a race. The turtle starts 45m ahead of Achilles and Achilles is twice as fast as the turtle. If turtle runs at 1m/s,how far would the turtle have run before he is outrun by Achilles? Penny Nom lui répond.
	Two trains		2011-06-07
		Lynn pose la question : If the 1st train goes 60 mph and the 2nd train leaves 10 minutes later = at a speed of 70 mph, how long does it take to catch up with the 1st = train. Penny Nom lui répond.
	How many meters long should the race be?		2011-05-26
		Lee pose la question : Nathan can walk at a rate of two meters per second while David can easily go three-and-a-half meters per second. David offers Nathan a 45 meter head start. How many meters long should the race be in order for Nathan to win by a nose Penny Nom lui répond.
	Two ships		2011-04-05
		Gevork pose la question : Ship A is sailing due south at 16 mph. At the same time, a second ship B, 32 miles south of A, is sailing due east at 12 mph. (a) at what rate are they approaching or separating at the end of one hour? (b) At what rate are they approaching or separating at the end of two hours? (c) When do they cease to approach each other and how far apart are they at that instant. Penny Nom lui répond.
	Converting millimeters to centimeters		2011-04-04
		Pat pose la question : I need to convert 67 mm to centimeters how do I do this? Penny Nom lui répond.
	Two boats		2011-03-29
		Mamie pose la question : Two speed boats leave the port of San Francisco traveling in opposite directions at the same time.One boat travels 8 knots per hour faster than the other.After one day's travel they are 1,920 nautical miles apart.What are the speeds of the two boats. Penny Nom lui répond.
	What is its speed in miles per hour?		2011-01-06
		Miriam pose la question : An airliner travels 125miles in 15minutes. What is its speed in miles per hour? Penny Nom lui répond.
	80 miles in 40 minutes		2010-12-08
		james pose la question : i travel 8o miles in 40 minutes. how fast am i going in mph Penny Nom lui répond.
	What is its speed in still air?		2010-11-28
		Shelby pose la question : An Airplane flies a certain distance in 3 hours going WITH a 40km/hr wind. It travels the same distance in 5 hours when going against the wind. What is it's speed and how long would it take to travel the same distance in still air? Distance = speed x time Penny Nom lui répond.
	Hours minutes and seconds		2010-11-26
		beket pose la question : I need to turn 1.486588292 into real time hours minutes and seconds. I keep getting multiple answers. Online conversions give me 1 hour 29 minutes and either 11 or 12 seconds. On the calculator I get 1 hour 29 minutes and 20 seconds. Can you explain how to turn this decimal into time? Robert Dawson and Penny Nom lui répond.
	How long will you and your friend be able to talk?		2010-11-23
		beket pose la question : you and your friend leave your home town at the same time your friend travels by train 45 mph directly east while you travel by train 50 mph going directly south you are talking on cell phone but you plan charges extra if the phones are 100 miles apart. How long will you and your friend be able to talk before the charges increase? Penny Nom lui répond.
	A train passes a car		2010-10-24
		Mary pose la question : A train, whose speed is 75 mph, takes 3 minutes to pass a car that is going 60 mph in the same direction. How long is the train? Stephen La Rocque lui répond.
	What are the speeds of the boats?		2010-10-21
		Adori pose la question : Two boats leave the port of San Francisco traveling in opposite directions at the same time. One boat travels 8 knots per hour faster than the other. After one day's travel they are 1920 nautical miles apart. What are the speeds of the boats? Penny Nom lui répond.
	John and Mary are 200 miles apart		2010-10-20
		Sarah pose la question : two people, john and mary, are 200 miles apart and leave at the same time to meet. They are driving toward each other at constant rate on the same straight road. John is traveling at 45 mph and Mary is traveling at 35 mph. When they meet, how many miles will they be from john's house? Penny Nom lui répond.
	A commuter airline between two cities		2010-10-19
		Adori pose la question : An airline runs a commuter between two cities that are 720 miles apart. If the average speed of the planes is increased by 40 miles per hour, the travel time is decreased An airline runs a commuter between two cities that are 720 miles apart. If the average speed of the planes is increased by 40 miles per hour, the travel time is decreased by 12 minutes. What airspeed is required to obtain this decrease in travel time? Penny Nom lui répond.
	Two jets leave denver at 9 am.		2010-10-15
		Carl pose la question : two jets leave denver at 9 am. One flying east at a speed of 50 km per hour greater than the other which is traveling west. At 11 am the planes are 2500 km apart. Find their speeds. Stephen La Rocque lui répond.
	Electronic cars around a circular track		2010-10-11
		Taylor pose la question : Cory and Melissa are racing electronic cars around a circular track. They begin at the same time going in the same direction. Cory's car completes a revolution in 35 secs, while Melissa's car completes a revolution in 30 secs. How long will it take them before both cars reach the starting point again simultaneously? Stephen La Rocque and Penny Nom lui répond.
	Two cars		2010-09-30
		Amanda pose la question : Two cars, 142 miles apart, start moving towards each other at the same time. One is moving 3 times as fast as the other. If they meet 1.7 hrs later, find the average speed of the slower car in miles per hour? Penny Nom lui répond.
	40 mph for 6 minutes		2010-09-20
		Andy pose la question : If i was traveling at 40 mph for 6 minutes, what is my distance in miles? Penny Nom lui répond.
	Three cars		2010-08-30
		Anil pose la question : 3 cars are moving at speed of 4 kmph,5.5 kmph and 8 kmph in a circular track.The circular track has a distance of 11 km. What is the time taken for all the 3 cars to meet at the starting point ? Stephen La Rocque lui répond.
	Running 100 km		2010-08-12
		thomas pose la question : Another athlete runs 8 laps every day on the same 400m running track. How many days will it take him to run a total of 100 km? Robert Dawson lui répond.
	Two cars on a circular track		2010-08-12
		david pose la question : If two cars starts to drive at point 1 and go in a circle when will they meet? (one cars speed is faster the other ) all I need is a formula Tyler Wood lui répond.
	How fast is the second car taveling?		2010-07-26
		Jeff pose la question : A car is traveling 75 mph. It takes 12 miles to overtake a second car that was .5 mile ahead. How fast is the second car taveling? Stephen La Rocque lui répond.
	How much longer will it take to reach Toronto		2010-07-22
		Rachelle pose la question : We are taking a trip from Ottawa, ON to Toronto, ON. The total trip is 150 kms and will take us 4.5 hours. We have already driven 108 kms and there is still 42 kms left to go. If we are travelling 110 kms/hr, how much longer will it take to reach Toronto? Penny Nom lui répond.
	Pursuing Car 1		2010-07-13
		Mark pose la question : Car 1 is traveling down the road at 50mph and passes Car 2 is sitting on the side of the road. Car 2 needs to catch Car 1 one half mile down the road. How fast must Car 2 drive to catch Car 1 if Car 2 waits 10 seconds before pursuing Car 1? Robert Dawson lui répond.
	Half a mile at 50 mph		2010-07-13
		Mark pose la question : How long will it take a car to travel 1/2 mile at 50 mph? Robert Dawson lui répond.
	Going to the bike shop		2010-06-07
		Omi pose la question : Marie rode her bicycle from her home to the bicycle shop in town and then walked back home. If she averaged 6 miles per hour riding and 3 miles per hour walking, how far is it from her home to the bicycle shop if her total travel time was 1 hour? Penny Nom lui répond.
	What is the distance from A to C via B?		2010-05-24
		vivianne pose la question : The distance from A to B is d km and that from B to C is x km. if a bus maintains an average speed of 50km/hr between A and B and 60km/hr between B and C, it takes 3 hours to travel from A to C. If it maintains 60km/hr between A and B and 50km/hr between B and C, the journey takes 8 minutes less. What is the distance from A to C via B? Penny Nom lui répond.
	When will the second truck catch up to the first?		2010-05-22
		Josie pose la question : At 9:00 a.m. a truck leaves the truck yard and travels west at a rate of 45 mi/hr. At 11:00 a.m., a second truck leaves along the same route, travelling at 60 mi/hr. When will the second truck catch up to the first? Tyler Wood lui répond.
	Sammy and his motorboat		2010-05-11
		Jordan pose la question : Sammy owns a motorboat that travels 4 miles/hour in still water. It goes 12 miles upstream and 12 miles back again (downstream) in a total of 8 hours. Find the speed of the current of the river. Penny Nom lui répond.
	40 miles at 50mph		2010-05-02
		gill pose la question : if a car travelled 40miles at 50mph, how long would it take? Penny Nom lui répond.
	When are the cars exactly 40 miles apart?		2010-05-01
		Maryanne pose la question : A car traveling east at 45 mph passes a certain intersection at 3pm. Another car traveling north at 60mph passes the same intersection 25 minutes later. To the nearest minute, figure out when the cars are exactly 40 miles apart. Penny Nom lui répond.
	Two problems		2010-04-13
		Dorothy pose la question : 1. Explain why the number 123, 456, 789, 101, 112 cannot be a perfect square. (Hint: What is the units digit?) 2. A substance doubles in volume every minute. At 9:00A.M., a small amount is placed in a container. At 10:00A.M., the container is just full. At what time was the container one-eighth full? Robert Dawson lui répond.
	A negative times a negative		2010-03-25
		priya pose la question : why is minus into minus plus? Harley Weston lui répond.
	What is the speed of the current?		2010-03-17
		Carl pose la question : If you can row 3 mph in still water and paddle 3 miles upstream and return in 3.6 hours then what is the speed of the current? Penny Nom lui répond.
	At what time would Joan catch Jo?		2010-03-04
		Rusty pose la question : If Jo left his house at 6:30am traveling at 5mph and Joan left the same house 7:00am traveling at 8mph, at what time would Joan catch Jo? Penny Nom lui répond.
	What time did susan go to bed?		2010-02-14
		Sophia pose la question : Susan woke up at 7:42 Am to get ready for school. She slept for 10 and 1/3 hours. What time did she go to bed? Stephen La Rocque lui répond.
	A decrease in travel time		2010-01-30
		Mike pose la question : if a 100 mile trip averages 50 miles per hour, how much distance does one need to travel at 90 miles per hour to decrease travel time by 10% Stephen La Rocque lui répond.
	How long will it take to go 1 mile at 80 mph?		2010-01-19
		Susann pose la question : How long will it take to go 1 mile at 80 mph? Penny Nom lui répond.
	How fast am I walking?		2010-01-10
		KEVIN pose la question : IF I WALK 3 MILES IN 28 MINUTES, HOW FAST AM I WALKING? Penny Nom lui répond.
	Gail and Bill drove to the beach		2010-01-10
		Nicole pose la question : Gail and Bill drove to the beach at an average speed of 50mph. They return home over the same road at an average speed of 55mph. The tip took 30 min less time. How far is the beach from their house? Stephen La Rocque lui répond.
	... the original speed of the car was?		2009-12-08
		venkatesh pose la question : A car travels a distance of 840 miles at a uniform speed if the speed of the car is increased 10 m/h more ,it takes two hours less to cover the same distance ,the original speed of the car was? options:75 mh,65 m/h,60 m/h,55 m/h,45 m/h . Claude Tardif lui répond.
	Walking at 4/5 of his usual speed		2009-12-05
		venkatesh pose la question : walking at 4/5 of his usual speed a man is 10 minutes too late .find his usual time. Penny Nom lui répond.
	At what rate are the people moving apart?		2009-11-01
		saira pose la question : A man starts walking north at 4 ft/s from a point P. 5 minutes later a woman starts walking south at 5 ft/s from a point 500 ft due east of P. At what rate are the people moving apart 15 minute after the woman starts walking ? Harley Weston lui répond.
	How far will it travel in 45 mins?		2009-10-27
		maison pose la question : I'm stuck on the formula i dont remeber what it is can you help me out a car is traveling 80km/h how far will it travel in 45 mins Robert Dawson lui répond.
	Two jets are traveling towards each other		2009-10-05
		jake pose la question : two jets are traveling towards each other and are 4000 km apart. the rate of one jet is 100 km/h faster than the rate of the other. if the jets pass each other after 2.5 hrs what is the rate of speed of the faster jet? Penny Nom lui répond.
	How long (distance)did it take to stop?		2009-09-30
		mary pose la question : a car travelling at 50km/h stops in 4 seconds.how long (distance)did it take to stop? Harley Weston lui répond.
	How fast am i going?		2009-09-28
		ron pose la question : how fast am i going if i drive 40 miles in 20 minutes...what is the formula for figuring this out. Leeanne Boehm lui répond.
	How long would it take the students to arrive at their campsite		2009-09-18
		amanda pose la question : ..."A group of 5th grade student in New Zealand are going camping. They will hike from Wellingto to Ruapehu. Then they will follow a trail for another 1/2 mile to their campsite." Ok, 1 mile equals 5,280 feet. The class decided one step length is equal to 15 inches and there are 85 steps in 1 minute. Now for the question: About how long would it take the students to arrive at their campsite, if they don't make any stops??? Robert Dawson lui répond.
	Average speed		2009-09-11
		john pose la question : Sally travels by car from one city to another. She drives for 20.0 min at 68.0 km/h, 40.0 min at 37.0 km/h, and 51.0 min at 77.0 km/h, and she spends 12.0 min eating lunch and buying gas. What is the average speed for the trip? Penny Nom lui répond.
	Paddling downstream		2009-09-04
		Nicole pose la question : You head downstream on a river in a canoe. You can paddle at 6 km/h and the river is flowing at 2.4 km/h. How far downstream will you be in 55 minutes? Penny Nom lui répond.
	The distance traveled on a bike		2009-08-28
		Dennis pose la question : I would like to calculate the distance traveled on a bike based on the size of the tire and on the number of revolutions per minute. This is based on the rider traveling at a constant speed. Stephen La Rocque lui répond.
	Two cars		2009-08-09
		Jayna pose la question : If a car was traveling 20mph east and another car was traveling 30mph west, assuming they were 300 miles apart, at what point would they collide at the center? Penny Nom lui répond.
	A boat goes up stream 30 miles and ...		2009-06-29
		Mohsin pose la question : A boat goes up stream 30 miles and down stream 44 miles in 10 hours. Again it goes up stream 40 miles and down stream 55 miles in 13 hours. Find the rates of the stream and of the boat. I am confused and unable to get an answer. Please help. Thanks Robert Dawson lui répond.
	A train crosses a tunnel		2009-06-25
		Sabrina pose la question : A goods train of length one and half kilometres, is moving at a speed of 27km/hr. find the time taken by it to cross a tunnel of length seven and half kilometres Penny Nom lui répond.
	Driving to school and back		2009-05-17
		marylyne pose la question : suppose you are late for school and you drive from your house at a constant rate of 70 mph.when class is over, you drive home at a more leisurely 50mph. what is your average speed? Penny Nom lui répond.
	What was her rate of speed?		2009-05-06
		Stephanie pose la question : beth paddled a canoe to a picnic spot in the river in 2 hours. she traveled up the stream back to the original spot in three hours. the current was two miles per hour. What was her rate of speed? Robert Dawson and Stephen La Rocque lui répond.
	Decimeters and centimeters		2009-04-30
		Jeannette pose la question : I cannot convert because of a question that throws me off. For example, A mother African elephant avg's 250 dm in height. A newborn baby African elephant avg's 89cm in height. How many cm shorter is the baby African elephant than its mother? Which one do I convert first? in order to subtract the number from the baby? Penny Nom lui répond.
	Two airplanes are 300 miles apart		2009-04-22
		afzalsultan pose la question : Two airplanes are 300 miles apart and flying directly towards each other.One is flying at 200 miles per hour, and the other at 160 miles per hour.How long will it take for the two planes to meet Robert Dawson lui répond.
	Passing three cars		2009-04-16
		Larry pose la question : If 3 cars are going 50 mph, and a fourth car pass the first 3 cars in 200 feet, how fast is the fourth car going? Stephen La Rocque lui répond.
	A man travels a total of 8km in 6 hours		2009-04-10
		Kieran pose la question : Hello! I was wondering if you could help me with this question! Thank you A man travels a total of 8km in 6 hours if his speed was xkm/4hours in the first stage then his speed was 8-x/2hours in the second part. If the average speed for the first leg of the journey was 1.1km/h faster than the second part: find x Penny Nom lui répond.
	How many miles per hour was it traveling?		2009-04-04
		Regina pose la question : a car traveled 16 miles in 30 minutes. How many miles per hour was it traveling? Penny Nom lui répond.
	A trip at two different speeds		2009-03-28
		A student pose la question : Good afternoon! An automobile travels 4 hours at an average speed of 42MPH. How much longer must the truck travel at an average speed of 55MPH so the average speed for the total trip will be 50MPH? Thank you for your assistance! Penny Nom lui répond.
	A 5 ounce object traveling at 60 mph		2009-03-27
		James pose la question : if a 5 ounce object traveling at 60 mph at 100 feet above the ground, how far will it travel forward before hitting the ground. Robert Dawson lui répond.
	Two racers going around a track		2009-02-26
		larisa pose la question : One racer makes a complete trip around the track every 28 seconds, while the other racer completes a trip around the track every minute. How many times will the first racer pass the second racer in 30 minutes? Robert Dawson lui répond.
	Fred in his canoe		2009-02-21
		Susan pose la question : Fred paddled for 4 hours with a 7 km/hr current to reach a campsite. The return trip against the same current took 9 hr. Find the speed of Fred's canoe in still water. (Remember to include correct units) Penny Nom lui répond.
	How long will it take Jake to catch up?		2009-02-20
		Rebecca pose la question : John is walking 2 miles per hour. Jake leaves home 15 minutes later and is walking 5 miles per hour . How long will it take Jake to catch up ? Penny Nom lui répond.
	Joggong in opposite directions		2009-02-19
		Mallory pose la question : Emma and her mother jog along a mile-long circular path in opposite directions. They begin at the same place and time. Emma jogs at a pace of 4 mi/h, and her mother runs at 6 mi/h. In how many minutes will they meet? Robert Dawson lui répond.
	Cubic centimeters and ounces		2009-02-06
		Dawn pose la question : 1-- syringe contains 5.5cc of medicine & cost $13.50 1 --2 oz bottle of medicine cost $17.50 How many cc's in 2 oz, & which is the better deal? Stephen La Rocque lui répond.
	Catching up to the car ahead		2009-02-06
		Ashley pose la question : Car A passes Car B on a freeway. The driver of Car B decides to speed up to 75 mph and catch Car A, whose driver is maintaining a constant speed. Looking ahead, the driver of Car B sees Car A go under an overpass one-qarter mile up the road. Exactly six minutes later, Car B catches Car A. How fast was the car going? Penny Nom lui répond.
	How long will it take to make 50 miles?		2009-01-26
		Tamara pose la question : An object is traveling at a speed of 45 km/minute. How long will it take to make 50 miles? Robert Dawson and Stephen La Rocque lui répond.
	A tortoise and a hare		2009-01-20
		jenna pose la question : A tortoise can run with a speed of 0.14 m/s, and a hare can run 20 times as fast. In a race, they both start at the same time, but the hare stops to rest for 1.0 minutes. The tortoise wins by a shell (25 cm). (a) How long does the race take? (b) What is the length of the race? Stephen La Rocque lui répond.
	Multiplying negative numbers		2009-01-15
		stephanie pose la question : hi, I'm currently working in a grade 8 class where the students are learning about integers. the students were asked to find examples of how integers are applied in real life. they were able to find aplications for: adding and subtracting both positive and negative integers. however, we could not find an example of where two negative integers would be either divided or multiplied together in real life. For example: (-2)(-4)= +8. please help. Harley Weston lui répond.
	Two trains		2009-01-12
		Shanise pose la question : If train A leaves the train station at noon traveling 45mph and train B leaves the train station at 1pm traveling 65mph, what time will the trains meet? Robert Dawson lui répond.
	The speed of the boat and the river		2008-10-28
		Jenn pose la question : On the Amazon River in Brazil, a boat goes 50 miles upstream in 3 hours, later the boat returns to the starting point in 2 hours. What is the speed of the boat in still water and what is the current speed in this part of the Amazon? Penny Nom lui répond.
	Travelling home o the train		2008-10-18
		nadha pose la question : MELISSA reached the railway station at 9.30am.The distance between the railway station and her hometown was 720 km.At what time would she reach her hometown if the train travelled at an average speed of 120 km/h? Penny Nom lui répond.
	If you are driving 40mph, how long does it take to go 2.5 miles?		2008-10-18
		Nathan pose la question : If you are driving 40mph, how long does it take to go 2.5 miles? Penny Nom lui répond.
	Two planes flying in opposite directions		2008-10-16
		samantha pose la question : i don't understand how to do this problem.two jets leave denver at 9:00 am one flying at a speed 50 km/h greater than the other, which is traveling west. at 11:00 am the planes are 2500 km apart. find their speeds. Penny Nom lui répond.
	144 square inches		2008-09-27
		mike pose la question : how much cm is in 144 square inches? Penny Nom lui répond.
	Sample variance: inches to centimeters		2008-09-22
		Anita pose la question : The average height of a sample of basketball players is 6 feet, 2 inches or 74 inches. The standard deviation of this sample of players is 4 inches. If each person's height were to be multiplied by 2.54, what would be the value of the resulting sample variance? Harley Weston lui répond.
	Pumping water into a tank		2008-09-13
		nadha pose la question : A water pump can fill a tank at the rate of 750 litres per hour.A tank has a capacity of 9000 litres. Find the time needed to fill 7/15 of the tank? Stephen La Rocque lui répond.
	Distance, time and rate		2008-09-11
		Pauline pose la question : During the first part of a trip, a canoeist travels 100 miles at a certain speed. The canoeist travels 25 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 5 hrs. What was the speed on each part of the trip? Penny Nom lui répond.
	Converting centimetres to metres		2008-08-21
		walter pose la question : how do you convert the smaller unit to a decimal of the larger unit and then solve 17 m - 130 cm Penny Nom lui répond.
	The best time to teach math		2008-08-03
		Kelli pose la question : Is there a best time to teach math in the elementary classroom? Has anyone done any research about this? Stephen La Rocque lui répond.
	Running in opposite directions		2008-07-29
		maame pose la question : if i run six miles per hour and my friend runs four miles per hour and we both run for two hours in opposite directions how many miles apart will we be after the two hours? Janice Cotcher and Penny Nom lui répond.
	Going from 45 mph to 35 mph		2008-07-09
		Terry pose la question : How long (distance - feet AND time) will it take a car traveling at 45 mph to slow down to a speed of 35 mph? Harley Weston lui répond.
	Two trains		2008-07-07
		Elisha pose la question : Trains at each end of the 50. km long Eurotunnel under the English Channel start at the same time into the tunnel. Find their speeds if the train from France travels 8. km/h faster than the train from England and they pass in 17 minutes. Janice Cotcher and Penny Nom lui répond.
	A boat travels 20 kms upstream in 6 hrs ...		2008-07-07
		vidya pose la question : A boat travels 20 kms upstream in 6 hrs and 18 kms downstream in 4 hrs. Find the speed of the boat in still water and the speed of the water current? Penny Nom lui répond.
	Cubic centimeters and milliliters		2008-07-07
		Robert pose la question : how many milliliters are in 750 cubic centimeters? Harley Weston lui répond.
	How far from each other will they be?		2008-06-18
		kerstin pose la question : a women jogging at 6 mi/h passes a men biking in the opposite direction at 12 mi/h. if the maintain their speeds, how far from each other will they be 10 minutes after passing? Stephen La Rocque lui répond.
	The length of a shadow		2008-05-27
		Simon pose la question : A figure skater is directly beneath a spotlight 10 m above the ice. IF she skates away from the light at a rate of 6m/s and the spot follows her, how fast is her shadow's head moving when she is 8m from her starting point? The skater is (almost) 1.6m tall with her skates on. Stephen La Rocque and Harley Weston lui répond.
	55 mi/h for 4 h		2008-05-21
		brenda pose la question : mary drove her car at 55 mi/h for 4 h. Use the formula d = rt (where d is the distance traveled, r is the rate of travel and t is the time traveled) to determine how far mary traveled. Penny Nom lui répond.
	A crate is launched from an airplane		2008-05-10
		Michelle pose la question : A crate is launched from an airplane, 75 feet above the ocean, with an initial vertical velocity of 60 feet per second. How many seconds will it take for the crate to hit the water? Round to the nearest hundredth. Harley Weston lui répond.
	How far is it from the top to the bottom of the mountain?		2008-05-09
		Matthew pose la question : A ski lift carries a skier up a slope at a rate of 2 miles per hour. Following the same path down the mountain, the hiker has a rate of 4 miles per hour. If the round trip took 3 hours, how far is it from the top to the bottom of the mountain? Penny Nom lui répond.
	5 miles per hour for 30 minutes		2008-04-29
		Joshua pose la question : A boat travels at a constant rate of 5 miles per hour for 30 minutes. How far does the boat go in that time? Penny Nom lui répond.
	Driving home from work		2008-04-25
		brittanygrant pose la question : brittany house is 37 miles from his job. He leaves at 6:25pm, and drives 49 miles per hour. what time will he get beck home? Penny Nom lui répond.
	45 miles at 50 mph		2008-04-18
		Willie pose la question : If you travel at 50 mph, how long does it take to go 45 miles? Penny Nom lui répond.
	Jill and Matt run on a 400 meter long oval track		2008-04-11
		jamie pose la question : Jill and Matt run on a 400 meter long oval track. Jill and Matt each run 10 laps daily and both run in the same lane. One day Jill and Matt began at the same point, but ran around the track in opposite directions. Jill ran at a constant speed that was 2 meters per second faster than matts constant speed. Jill passed Matt for the first time in 40 seconds. Jill ran at a constant rate of how many meters per second? Penny Nom lui répond.
	Two trains left the city at the same time		2008-04-11
		J pose la question : Two trains left the city at the same time, traveling in opposite directions. The eastbound train travels for ten hours and the westbound train travels for 5 hours. They are now 1300 km apart. The westbound train's rate is 20 km/hr faster than the eastbound train. Find the speed of each train. Penny Nom lui répond.
	A car is travelling at 80 km/hr speed		2008-04-10
		mathew pose la question : A CAR TRAVELLING AT A SPEED OF 80km/hr. How much time will take this car to cross a tunnel of 100M Penny Nom lui répond.
	A river boat		2008-04-09
		jessica pose la question : heres a crazy riddle a river boat that travels 12 mph in still water makes a pleasure trip to a city upstream and back in 3 hours. If the city is 10 miles aways, what is the rate of the current Stephen La Rocque lui répond.
	A train and a boat		2008-03-15
		Sabrina pose la question : A railroad bridge is 20m above, and at right angles to, a river. A person in a train travelling at 60 km/h passes over the centre of the bridge at the same instant that a person in a motorboat travelling at 20km/h passes under the centre of the bridge. How fast are the two people separating 10s later? Harley Weston lui répond.
	Parametric equations		2008-03-05
		kumi pose la question : I have made a picture of a football pass 45 degrees with 30yds and height of 7ft and 4ft. But I am just stuck there. I have stared at the worksheet for soo long. I have no idea how to solve this, and I don't even know where this is going (I don't understand how parametric equations work). Can you help me with this problem? 1.The quarterback of a football team releases a pass at a height, h, of 7ft above the playing field, and the football is caught by a reciever at a height of 4ft, 30yds directly downfield. The pass is released at an angle of 45 degrees with the horizontal with an initial velocity of vo. The parametric equations for the position of the football at time t are given, in general, by x(t)=(vo cosθ)t and y=h+(vo sinθ)t-16t^2. a. find the initial velocity of the football when it is released b. write the specific set of parametric equations for the path of the football c.use a graphing calculator to graph the path of the football and approximate its maximum height d. find the time the reciever has to position himself after the quarterback releases the football Harley Weston lui répond.
	Time and a half		2008-03-01
		Travis pose la question : Bill receives time and a half for working overtime. If Bill is paid $55 for each hour of overtime, how much is his regular hourly wage? Stephen La Rocque lui répond.
	A package of supplies is dropped from a plane		2008-02-29
		beth pose la question : An airplane flies west at a speed of 200m/s. A package of supplies is dropped from the plane to some campers. if the plane is at an altitude of 1000meters, how far from the campers should the package be dropped to land near them? ignore wind resistance. Stephen La Rocque lui répond.
	150 decimeters is how many centimeters		2008-02-29
		gayle pose la question : 150 decimeters is how many centimeters Penny Nom lui répond.
	Two cars are on a collision course		2008-02-06
		Danielle pose la question : Two cars are on a collision course, heading straight towards each other. One car is traveling 45 miles per hour and the other is traveling 75 miles per hour. How far apart will the two cars be one minute before they collide. Penny Nom lui répond.
	How fast does each travel?		2008-02-05
		kRYSTAL pose la question : May rides her bike the same distance that leah walks. May rides her bike 10km/h faster than leah walks. Its takes May 1 hour and Leah 3 hours to travel the sam distance, how fast does each travel? Penny Nom lui répond.
	Driving from Mathville to Bioville		2008-02-01
		Ariel pose la question : Mahtab took hours to drive from Mathville to Bioville, a total of 485 km. She drove part by highway at 80 km/h and part by slow roads at 30 km/h. How many hours did she drive each type of road? Penny Nom lui répond.
	2 km at 5.00 m/s		2008-01-29
		Stephanie pose la question : How much time does it take for a student running at an average speed of 5.00 m/s to cover a distance of 2.00 km? Penny Nom lui répond.
	How far from the corner will the police catch the car?		2008-01-27
		Joel pose la question : A car is going down the road at a speed of 90km/h in a 50km/h zone. As the car passes a corner, a police cruiser sitting there notices it. Five seconds later the cruiser begins accelerating at 5.0m/s squared. Assuming that he is able to maintain this acceleration, how far from the corner will the police catch the car? How fast will the cruiser be going? Stephen La Rocque lui répond.
	Two bikers race on a circular track		2008-01-17
		Abby pose la question : Two bikers race on a circular track. Biker A can circle the track in 8 minutes, and Biker B can circle the track in 6 minutes. From the start of the race, how many minutes will it be before Biker B overtakes Biker A? Stephen La Rocque and Penny Nom lui répond.
	Driving towards each other		2008-01-16
		Shanda pose la question : Paul and Charlene are 420 miles apart. They start toward each other with Paul driving 16 miles per hour faster than Charlene. They meet in 5 hours. Find Charlene's speed. Stephen La Rocque lui répond.
	How fast does Kim paddle in still water?		2008-01-07
		Fran pose la question : Kim paddled a canoe 10 km upstream and then paddled back to his starting point. If the rate of the current was 2 km/h that day and the whole trip took 3.75 h, how fast does Kim paddle in still water? Penny Nom lui répond.
	What is the speed of the plane in still air?		2008-01-05
		oscar pose la question : A plane flies 400 miles with the wind and 340 miles against the wind in the same length of time. If the speed of the wind is 24mph, what is the speed of the plane in still air? Penny Nom lui répond.
	Two cars going in opposite directions		2007-11-25
		alexa pose la question : two cars leave town at the same time going opposite directions. one of them travels at 55 mph and the other at 65 mph. in how many hours will they be 150 miles apart? Penny Nom lui répond.
	How many centimeters equal one meter?		2007-11-15
		Sherrie pose la question : How many centimeters equal one meter? Penny Nom lui répond.
	How do i convert milliliters to grams for water and also for copper sulfate (CuSO4)?		2007-11-11
		jenn pose la question : how do i convert milliliters to grams for water and also for copper sulfate (CuSO4)? Harley Weston lui répond.
	Cubic centimeters to cubic yards		2007-11-10
		Logan pose la question : if i have 188.4cm^3 of concrete how do i change it into cubic yards? Penny Nom lui répond.
	Two cars		2007-11-04
		Jalisa pose la question : If Car "A" is traveling 50 miles per hour and car "B" is traveling 60 miles per hour, how long will it take car "B" to catch up to car "A" if car "A" had a 15 mile head start. Penny Nom lui répond.
	A car traveled 175m at certain speed		2007-10-28
		abdi pose la question : A car traveled 175m at certain speed. if the speed had been 20 mph faster, the trip could have been made in 1 hr less time. find the speed? Stephen La Rocque lui répond.
	Hitting golf balls		2007-10-03
		Jessi pose la question : Ben is out at the practice range hitting golf balls. How much further will a golf ball with an initial speed of 75.0 m/s go when projected at 45.0 degree than when projected at 30.0 degree? Stephen La Rocque lui répond.
	Will the stone catch up the parachute?		2007-10-03
		anoi90 pose la question : a small parachute dropped from a 30.0 m high cliff falls with a constant velocity of 1.20 m/s. 20.0 s after the parachute is dropped, a stone is dropped from a cliff. Will the stone catch up the parachute before it reaches the ground? (Include numerical proof!) Stephen La Rocque lui répond.
	Peter and Charles mow a lawn		2007-09-27
		Nancy pose la question : Peter takes 15 minutes longer to mow the lawn by himself than Charles does. Together they can mow the lawn in 18 minutes. How long would it take Charles to mow the lawn by himself? Stephen La Rocque lui répond.
	How many miles per hour was I driving		2007-09-11
		Gary pose la question : How many miles per hour was I driving to go 37 miles in 13 minutes Victoria West lui répond.
	Safe diving hours		2007-08-16
		San pose la question : At a popular pier, the average depth of the water at low tide is 1m. The average depth of the water at high tide is 8m. One complete cycle takes 12h. Given by the equation of y=3.5cosPi/6t+4.5 where y is the height of the tide in (m) and t is the time in (hour) *many people dive from this pier during the day. If the water must be at least 3m deep to dive safely, between what daylight hours should people dive? Stephen La Rocque lui répond.
	Three runners on a circular track		2007-08-04
		Arul pose la question : A, B and C run around a circular track starting from the same point simultaneously and in the same direction at speeds of 4 kmph, 6 kmph and 8 kmph respectively. If the length of the track is 400 meters, when will A, B and C meet at the starting point for the first time after they started the race? 4 In the above question, when will they meet for the first time after they started the race? Penny Nom lui répond.
	At what speed does Chuck travel?		2007-07-27
		Jessica pose la question : Chuck and Dana agree to meet in Chicage for the weekend. Chuck travels 224 miles in the same time that Dana travels 204 miles. If Chuck's rate of travel is 5 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel? Harley Weston lui répond.
	How many ounces in 782 cubic centimetres?		2007-07-03
		wilma pose la question : how many ounces in 782cubic centimetres Penny Nom lui répond.
	Throwing a ball from the top of a building		2007-06-12
		Gilligan pose la question : s = distance (in feet) Building height = 96 feet t = seconds Use s = 96 + 80t - 16t^2 to answer the question given below. QUESTION: After how many second t will the ball pass the top of the building on its way down? Penny Nom lui répond.
	Percent change over multiple periods of time		2007-06-07
		Eric pose la question : I am trying to show the percent change over multiple periods of time. Is there a formula for the percent change over multiple periods or will I have to calculate the percent change for each previous period versus the year prior? Penny Nom lui répond.
	What is the speed of the boat?		2007-04-22
		Sonja pose la question : A boat on a river travels downstream between two points, 20 miles apart, in one hour. The return trip against the current takes 2 1/2 hours. What is the speed of the boat? The answer in the book says 14 mi/hr, but I don't understand how to figure it out. It must be very simple, but I'm stuck. Thank you so much for helping me out. This is a FANTASTIC website! -Sonja Penny Nom lui répond.
	Velocity		2007-04-04
		Jessica pose la question : The speed of the current in a river is 2mph. Jessica travels 20 miles upstream and then 20 miles downstream in a total time of 5 1/3 hr. Find the speed of the boat. I know you have to use V= d/t, but what is the equation for time because you have to factor in that upstream the boat is slower and downstream the boat is faster? Penny Nom lui répond.
	A delivery driver travels from Belfast to an address in Dublin		2007-04-04
		Gerry pose la question : A delivery driver travels from Belfast to an address in Dublin.The total distance fro the round trip was x%.The time required for the forward trip was xx hours.Due to heavy traffic during the return trip an extra xx was required How much slower was the delivery drivers speed on the return trip?. I was wondering what equation would you use to solve this question. Penny Nom lui répond.
	Tina swims 4 miles upstream at 1 mph		2007-03-31
		Michael pose la question : If Tina swims 4 miles upstream at 1 mph and back downstream to the same point to the same point at 4 mph, what is her average speed? Penny Nom lui répond.
	Two busses		2007-03-15
		Devon pose la question : A bus leaves a station at 1 p.m., traveling west at an average rate of 44 mi/h. One hour later a second bus leaves the same station, traveling east at a rate of 48 mi/h. At what time will the two buses be 274 mi apart? Steve La Rocque and Penny Nom lui répond.
	How long does she have to get out of the way?		2007-02-23
		Sharon pose la question : How do I solve this? The height h (in feet) of an object that is dropped from the height of s feet is given by the formula h = s - 16t^2 , where t is the time the object has been falling. A 6 foot tall woman on a sidewalk looks directly overhead and sees a window washer drop a bottle from the 6 story. How long does she have to get out of the way? Round to the nearest tenth. (A story is 12 feet.) Penny Nom lui répond.
	Increasing speed and decreasing time		2007-02-18
		Nigel pose la question : I am completely lost...can you help with this: The time, t, to travel a distance, d, at a constant speed, v, can be obtained from the formula: d = vt. If the speed is increased by x, find an expression to represent the decrease in time to travel the same distance. Stephen La Rocque lui répond.
	Centimeters to cubic meters and grams to kilograms		2007-02-14
		Colleen pose la question : A box of balls measures 120cm by 20cm by 20cm and weighs 48 g. One thousand boxes = x cubic meters and weighs x kilograms. Also, one million boxes = x cubic metes and weighs x kilograms. One billion boxes = x cubic meters and weighs x kilograms. Solve for x. Stephen La Rocque lui répond.
	Square centimeters		2007-02-12
		Ivan pose la question : how many square centimeters are in a rectangle that is 210 centimeters long by 39 centimeters wide.? thank you Karen McIver and Melanie Tyrer lui répond.
	Difference in scanning time		2007-02-08
		Lisa pose la question : Boat 1 with 12,000 items on board with 7 days docking time limit Boat 2 with 12,000 items on board with 1 day docking time limit Each item has to be scanned. We want to find out the difference in scanning time (in minutes and seconds). We tried this formula but with 60 minutes in one hour, 60 seconds in one minute, we are not sure if this formula is accurate. Penny Nom lui répond.
	Romeo is throwing pebbles		2007-02-08
		Jessie pose la question : Romeo is chucking pebbles gently up to Juliet's window, and he wants the pebbles to hit the window with only a horizontal component of velocity. He is standing at the edge of a rose garden 4.5m below her window and 5.0m from the base of the wall. How fast are the pebbles going when they hit her window? Stephen La Rocque lui répond.
	A boat travels 60 miles downstream in the same time it takes to go 36 miles upstream		2007-01-27
		Liz pose la question : A boat travels 60 miles downstream in the same time it takes to go 36 miles upstream. The speed of the boat in still water is 15 mi/h greater than the speed of the current. Find the speed of the current. Stephen La Rocque lui répond.
	A college student jogs from his home to the beach		2007-01-23
		Garmani pose la question : A college student jogs from his home to the beach at 8 miles per hour. He visits with his friends on the beach for 4 hours, and then his friends drive him home at the rate of 40 miles per hour. If the student returns home after 6 hour, what is the distance from his home to the beach? Penny Nom lui répond.
	What is the speed of each boat per hour?		2007-01-22
		Garmani pose la question : Two tuna boats leave the same port traveling in opposite directions along the west coast of the United States. One boat travels 5 miles per hour faster than the other. At the end of one day's travel they are 1,080 miles apart. What is the speed of each boat per hour? Penny Nom lui répond.
	What is his rate of walking for the entire trip?		2007-01-12
		Garmani pose la question : A man walks 500 feet at 4 miles per hour and returns to the starting point at 3 miles per hour. What is his rate of walking for the entire trip? Stephen La Rocque lui répond.
	What is the speed of the current?		2007-01-07
		Bob pose la question : A motorboat can maintain a constant speed of 16 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 20 minutes; the return trip takes 15 minutes. What is the speed of the current? Haley Ess lui répond.
	I want to convert milliliters into grams.		2006-12-14
		Kenchotenzin pose la question : I want to convert milliliters into grams. Penny Nom lui répond.
	Cary was going to meet Jane at the airport, ...		2006-12-11
		Carmen pose la question : cary was going to meet jane at the airport, if he traveled 60mph, he would arrive one hour early, and he traveled 30 mph, he would arrive one hour late. how far was the airport? recall: distance=speed(time) Stephen La Rocque lui répond.
	The Metra and the Amtrack		2006-12-03
		Amy pose la question : A Metra commuter train leaves Union Station in Chicago at 12 noon. Two hours later, an Amtrak train leaves on the same track, traveling at an average speed that is 50 miles per hour faster than the Metra train. At 3PM the Amtrak train is 10 miles behind the commuter train. How fast is each going? Stephen La Rocque and Penny Nom lui répond.
	A trip on the Grand River		2006-11-30
		Kristy pose la question : Romo decided to make a 28km trip up and 28km trip down the Grand River. the speed of the current is 3km. one way Romo travelled with the current and the other way against the current. During his trip, Romo stopped for half an hour for lunch. if Romo's total trip lasted 6hours, how fast did he travel? Stephen La Rocque lui répond.
	Going from one town to another		2006-11-04
		Austin pose la question : Going from one town to another,a man drives his car at 35 miles an hour and returning he drives at 25 miles an hour. the round trip takes 6 hours. Find the distance between the towns. Stephen La Rocque lui répond.
	Paddeling on the Alleman River		2006-10-31
		Anita pose la question : Len is planning a three-hour trip down the Alleman River and back to his starting point. He knows that he can paddle in still water at 3 mph and that the rate of the current is 2 mph. How much time can he spend going downstream? How far downstream can he travel? Penny Nom lui répond.
	Flying with and against the wind		2006-07-06
		Tim pose la question : When a plane flies with the wind, it travels 800 miles in 4 hours. Against the wind it takes 5 hours to cover the same distance. Find the rate of the plane in still air and the rate of the wind. Stephen La Rocque lui répond.
	A boat travels 60 miles upstream ...		2006-05-28
		Teenarick pose la question : A boat travels 60 miles upstream against the current in 3 hours. It takes 2 hours for the return trip. Find the speed of the boat in still water. Penny Nom lui répond.
	Small pipes and large pipes		2006-05-09
		geece pose la question : A large fresh water reservoir has two types of drainage system. Small pipes and large pipes. 6 large pipes, on their own, can drain the reservoir in 12 hours. 3 large pipes and 9 small pipes, at the same time, can drain the reservoir in 8 hours. How long will 5 small pipes, on their own, take to drain the reservoir? Penny Nom lui répond.
	Wes and Tony live 360 km apart.		2006-04-01
		Thiru pose la question : Wes and Tony live 360 km apart. If Wes travels at 80 km/h towards Tony. And Tony travels at 100 km/h towards Wes, how long will it take before they meet. Penny Nom lui répond.
	Related rates and an oil spill		2006-02-12
		Brandon pose la question : An Oil Tanker Spills 100,000 cubic meters of oil, which forms a slick that spreads on the water surface in a shape best modeled by a circular disc is increasing at a rate of 3m/min (it doesn't state what is increasing at 3m/min, so I'm assuming Radius until I can ask my teacher.) At t=T, the area of the "circular" slick reaches 100pi Sq. meters. A) how fast is the area of the slick increasing at t=T B)How fast is the thickness of the slick decreasing at t=T C)Find the rate of change of the area of the slick with respect to the thickness at t=T. Penny Nom lui répond.
	60.5 ft at 90 mi/hr takes how long?		2006-01-13
		Bree pose la question : A ball travels over 60.5 ft at 90 mi/hr. How fast does the ball travel? Penny Nom lui répond.
	what is 5'7		2005-11-26
		A student pose la question : what is 5'7" inches in cm? Harley Weston lui répond.
	Inches and millimeters		2005-10-08
		Ron pose la question : You know they say 14mm = 9/16" or something of that nature, i need to know exactly how this is done. Chris Fisher lui répond.
	Inches and millimeters		2005-09-30
		A student pose la question : how many inches are there in mm? For example 30x40 mm = how many inches. Penny Nom lui répond.
	Centimeters, millimeters and milliliters		2005-04-19
		A student pose la question : How many milliliters in a centimeter? Penny Nom lui répond.
	Doubling time		2005-03-12
		Nick pose la question : Looking for the equation to how many years it will take to double the population given the growth rate is 7%. Penny Nom lui répond.
	Nine minutes		2004-09-02
		A student pose la question : You have two hour glasses-one measures 7 minutes and one measures 4 minutes.How can you time 9 minutes? Penny Nom lui répond.
	130 cc. is ?		2004-08-20
		Ayrn pose la question : 130 cc. is ? I have to put 130cc. of petroleum in a bucket how much exactly is that? Also 110 cc.? I have to also put 110cc. wood alcohol in a bucket aswell! Penny Nom lui répond.
	425 cc's of a saline solution		2004-03-30
		Julie pose la question : 425 cc's of a saline solution is equal to how much in lbs-weight?? Harley Weston lui répond.
	Distance, time and rate		2004-03-09
		Peter pose la question : A car travels from one city to another at the speed of 32mph, if it had gone 4mph faster it could have made the trip in one half hour less. How far apart are the cities? Penny Nom lui répond.
	Driving from Sarnia		2004-02-11
		Jane pose la question : "Crystal drove from Sarnia at 80km/hr. Emily left Sarnia one hour later and drove along the same road at 100km/hr. How far from Sarnia did Emily overtake Crystal?" Claude Tardif lui répond.
	Three times a year		2004-02-09
		Graham pose la question : What is the term for a report that is submitted three time a year or at the very least a prefix term for one third Harley Weston lui répond.
	The London marathon		2004-01-27
		Nina pose la question : After a years training, Minnie Midriffe increased her average speed in the london marathon by 25%. By what percentage did her time decrease?o Penny Nom lui répond.
	Ounces into cubic centimeters		2004-01-27
		A student pose la question : how do you convert ounces into cubic centimeters? Ex: how does 12 oz. change into cc. Penny Nom lui répond.
	Business trip		2003-12-19
		Ameer pose la question : A businnessman drives from Washington, D.C., to Boston, a distance of 442 miles, and then makes the return trip. On the way to Boston, he drives 65 miles per hour, taking an 1-hour rest stop during the drive. After finishing his business in Boston, he make the return trip driving at 60 miles per hour and takes a 45-minute rest stop halfway through the trip. Which leg of the journey, Washington, D.C. to Boston, or Boston to Washington, D.C., takes the longer time? Penny Nom lui répond.
	The hour hand and the minute hand		2003-12-17
		Minnie pose la question : When you are looking at the clock at 12:00 the hour hand and minute hand are exactly together. (one on top of the other). Between 1:00pm and 1:15pm there is another time when the hour and minute hands are exactly together again. Penny Nom lui répond.
	How much time?		2003-10-29
		Lori pose la question : I am a elementary teacher 3-6 math. We have just implemented the Houghton Mifflin Math curriculum. It seems to be quite difficult for most of our students. In order to get through all the material we need to do a lesson a day. Although the students are not getting the material that fast. Should we move on without all the students understanding the material or should we wait and remediate until they get it and be behind for the year. This isn't just a few kids its most of the kids. We are also suppose to teach to all the standards so if we don't get to them the students will not do well on the standardized tests. Diane Hanson lui répond.
	One million seconds		2003-09-04
		Vince pose la question : If you can write a number each second for one million seconds, how many hours would it take? Penny Nom lui répond.
	A boat travels 12 km upstream...		2003-09-03
		Sohaib pose la question : A boat travels 12 km upstream and back in 1 hour 45 minutes. If the speed of the current is 3km/hr throughout, find the speed of the boat in still water, giving your answerÝcorrect to 3 decimal places. Penny Nom lui répond.
	Sunshine?		2003-07-11
		lori pose la question : It is noon, your lunch hour, but you cannot go out because there is a terrific hailstorm. Turning on your radio you hear the weathercaster predict that the hail will change to rain and that it will pour all day today. How can you determine whether the sun will be shining in 36 hours? Claude Tardif lui répond.
	______cm=0.048km		2003-02-27
		Antonette pose la question : ______cm=0.048km Penny Nom lui répond.
	Two airplanes leave Dallas		2003-02-06
		A student pose la question : TWO AIRPLANES LEAVE DALLAS AT THE SAME TIME AND FLY IN OPPOSITE DIRECTIONS. ONE AIRPLANE TRAVELS 80 MILES PER HOUR FASTER THAN THE OTHER. AFTER THREE HOURS, THEY ARE 2940 MILES APART. WHAT IS THE RATE OF EACH AIRPLANE? Penny Nom lui répond.
	A train with 2 cars		2003-02-04
		Michael pose la question : A train with 2 cars is traveling at a speed of 80 km/hr from town X to town y, located 800 km from each other. At the same moment that the train departed, a passenger started to walk back and forth from one end of car B to the other at a speed of 100cm/sec. Arriving in town Y, the passenger had already gone and returned 720 times. The length of car A is that of car B plus one fourth of the length of the locomotive, and the length of the locomotive equals the length of Car A plus one fifth of the length of car B. What is the total length of the train? Penny Nom lui répond.
	Miles per hour		2002-11-28
		Liz pose la question : If a car has traveled 16 miles in 30 minutes, how many miles per hour did they go? Penny Nom lui répond.
	Cubic centimeters		2002-11-07
		Rita pose la question : Was in emergency room yesterday-MD aspirated 40cc of fluid from my knee--what does a "cc" equate to? Penny Nom lui répond.
	10 hours before 7:15		2002-10-27
		Jessica pose la question : It is evening 7:15. What time would it be 10 hours earlier? Penny Nom lui répond.
	How long will it be before you reach your friend?		2002-09-16
		Margaret pose la question : Your friend runs at 8 miles per hour and you drive at 40 miles per hour, hence the diatance between you is decreasing at 32 miles per hour. You firend left 2 hours before you so how far has he gone in that 2 hours? How long will it take for the distance between you to decrease to 0 miles if the distance is decreasing at 32 miles per hour? Penny Nom lui répond.
	A million sheets of 30 cm long paper		2002-09-15
		Jennifer pose la question : if you put a million sheets of 30 cm long paper end to end, how many kilometer long would the paper be from begining to end? Penny Nom lui répond.
	Use a 4 four times		2002-09-12
		Amanda pose la question : The question is what is if you can only use a 4 four times and get the answer 12, 10, and 6 Claude tardif lui répond.
	A box that holds 22.4 liters		2002-07-07
		Jon pose la question : How do I find the measurements required to make a box that holds 22.4 liters of something? Penny Nom lui répond.
	Ounces and cubic centimeters		2002-05-30
		Martin pose la question : How many ounces are in 600cc of liquid? Penny Nom lui répond.
	Trains and cracker boxes		2002-04-29
		Lindsay pose la question : 1)Two trains are 250 miles apart on the same track heading towards eaxh other at 7AM- The first train travels at 55mph, the second at 75mph. At what time would they crash? 2)A cracker box measures 12 by 2 by 18 inches. The company wants to double the amount of crackers, but keep the shapes the same[similar] Find the new length[nearest tenth of an inch] Penny Nom lui répond.
	Conversion of units		2002-04-29
		Matt pose la question : I am having trouble finding a workable equation for the following problem, particularly the conversion of two systems of measurement. The question states that there are 27 grams of salt in a kilogram of seawater. And it asks how many tonnes (1 tonne = 1000 kilograms) of salt are there in one cubic kilometer of ocean. It also says that the density of seawater is 1.1 g/cm3. What is the equation and how do I figure out how many kilograms there are in a cubic kilometre? Harley Weston lui répond.
	A test drive		2002-04-23
		Jennie pose la question : At 9 A.M. a test car driving at a constant speed passes a marker 50 miles from it's starting point. At noon the car is about 130 miles from the marker. If the test drive ends at 1:30 P.M., how far will the car be from its starting point? Penny Nom lui répond.
	Mr. Byrd's drive to work		2002-03-22
		Mr. Bollen pose la question : Mr. Byrd leaves his house at 7:00am to go to work. If he drives 40 mph he will arrive 3 minutes late and if he drives 60mph he arrives 3 minutes early. At what speed will Mr. Byrd have to drive in order arrive exactly on time. Please describe how you arrived at your answer. Claude Tardif and Penny Nom lui répond.
	15 miles at 13 miles per hour		2002-03-12
		Rich pose la question : If I were traveling 15 miles at 13 miles per hour how long will it take? Penny Nom lui répond.
	My 1978 Chevy has a 350 cubic inch engine		2002-03-11
		Sharon pose la question : If my 1978 Chevy has a 350 cubic inch engine, about what size engine would that be in liter? Penny Nom lui répond.
	The best time to teach math		2002-03-10
		West pose la question : My name is West. I teach 4th grade. I would like to know if there is any research which tells about the best time to teach math. Should it be taught in the a.m. or p.m. Walter Whiteley lui répond.
	Number conversions and averages		2002-02-03
		A student pose la question : A table has the measurements of 1.6m by 2m, how much material is needed to cover table? I converted to cm then multiplied but got an answer of 32000cm ,so I divide by 100 to get to metres - the answer was 320 which I know is wrong - please explain!! Also I need to explain in my own words what an 'average' is and I am struggling. Penny Nom lui répond.
	The famous "train problem"		2002-01-12
		Karen pose la question : How do you solve the famous "train problem"? For example, 2 trains leave different stations at the same time. One is traveling at 50 mph and the other at 40 mph. How long does it take them to meet? Penny Nom lui répond.
	Negative times negative is positive		2001-10-26
		Mary pose la question : I have a question about adding and multiplying positive and negative numbers. When we add two negative numbers the answer is negative BUT when we multiply two negative numbers the answer is positive. I don't understand. Why? Penny Nom lui répond.
	Metric units		2001-10-25
		Kelly pose la question : i am helping my kids out with school work and don't remember meters,centimeters decimeters and all those. We have to change meters into cm.....and so on..........is there a place on the web to look for some kind of help in these questions Penny Nom lui répond.
	60 seconds in a minute		2001-10-11
		Andy pose la question : I am a fourth grade teacher. Yesterday my students asked "Why are there 60 seconds in a minute?" Which also led to 60 minutes in an hour? I have had trouble determining why the number 60? Any help would be appreciated. Penny Nom lui répond.
	Julia goes to work		2001-09-25
		Karyna pose la question : On one October morning, Julia rides her bike (at 12 miles per hour) from her home to her friend Ida's house; then the two of them walk (at 6 miles per hour) to work. If it takes an hour for Julia to go the 10 miles from her home to work, how far does she walk? Penny Nom lui répond.
	David's wages		2001-09-24
		Kimberlee pose la question : My math question is David earns $6.00 per hour plus $9.00 for every extra hour he works over 40 hours per week. If David earned $285.00 last week, how many extra hours did he work? Penny Nom lui répond.
	Ray and Jane		2001-09-06
		A student pose la question : If Ray and Jane live 150 miles apart and they both leave their house at the same time, Ray goes 30 mph the whole time and Jane goes 50 mph the whole time how many miles are they from Ray's house when they meet? And what is the exact travel time untl they meet. Penny Nom lui répond.
	How far does the fly fly?		2001-08-07
		Harold pose la question : 6 MPH 4 MPH Rachel ---------------------- Eli 10 Miles apart The fly is on Rachels handlebars. The fly is scared so it flys back and forth at 20 MP H. How far has the fly flown when Rachel and Eli meet? f Penny Nom lui répond.
	Hours worked		2001-07-18
		Carlos pose la question : I have a simple question:whats the formula to transform time into decimals? more exactly im working on a spreadsheet and i want to be able to type in for example hours worked: 11- 11:30 pm and a formula would tell me 12.5 hours how do i do it? Patrick Maidorn lui répond.
	When did the man go out?		2000-12-14
		Rajesh pose la question : A man goes out in time between 5 and 6 and when he comes back he observes that two hands have interchanged position. Find when the man did go out? Penny Nom lui répond.
	Three problems		2000-12-14
		Sarah pose la question : Hi, my name is Sarah, and I'm asking this question on behalf of niece who is in secondary two. Thank you. Q1. What is the angle formed by the hour hand and the minute hand of a 12 hour clock at 5.50pm. . . . Penny Nom lui répond.
	A colony of bacteria		2000-04-22
		Nicci Demmin pose la question : Suppose that the bacteria in a colony can grow unchecked, by the law of exponential change. The colony starts with one bacterium and doubles every half hour. How many bacteria will the colony contain at the end of 50 hours? Penny Nom lui répond.
	A negative times a negative		2000-02-29
		Michael J. Butler pose la question : I have reviewed the answer in relation to the question of why (-3)x(-2)=6; however, I am still not able to properly explain the reasoning to my son, Jonathan, who is in grade 7. I want him to understand the reason for the rule that the multiplication or division of two negative numbers equals a positive number. Can you help? Chris Fisher lui répond.
	Jogging up a hill		2000-02-17
		Aaron Williams pose la question : A man jogs down the hill at 6 miles per hour and back up at 4 miles per hour. The total time that he travels is 5/4 hours. What is the total distance that he jogged. The solution is supposedely 3 miles, but i believe that it is 6. Can you help me? Please. Claude Tardif lui répond.
	Age in minutes		1999-11-21
		Mesha Jackson pose la question : How old would I be in minutes if I were 12 Penny Nom lui répond.
	A goofy clock		1999-11-20
		Kate pose la question : While repairing a watch, a jeweler removed the hands and inadvertently replaced the hour hand on the min. spindle and vice versa. he set the hands to read 2:00pm, which was the correct local time when I picked up the watch. A few minutes later, I noticed that the hands were taking goofy positions. What was the first time thereafter that the watch would show the correct local time? Chris Fisher lui répond.
	A bike race		1999-04-23
		Bill Gepford pose la question : Bill was in a bike race and his friend kyle calculated that if he went 15mph that he would cross the noontime checkpoint one hour early but if he rode 10mph he would arrive one hour late. How far away is the checkpoint? Penny Nom lui répond.
	Ounces and milliliters		1999-04-17
		Tony Rizzi pose la question : I'm mixing a formula of: 48 oz distilled water. 15 grams of Hydroxy Ethyl Cellulose GR (powder) 30 grams of Hydroxy Ethyl Cellulose MR (powder) 200 grams of Barium Sulfate (powder) 1000 grams of Calcium Hydroxide (powder) After mixing, I need to estimate the amount of each ingredient that fits in a 3ml syringe. And how many syringes I can fill? Harley weston lui répond.
	Converting Metric Measurements		1999-04-08
		Rick pose la question : Do you have any simple explanations for converting Metric measurements to other Metric measurements?? What helpful hints do you also have for a 5th Grader... Penny Nom lui répond.
	An airplane problem		1999-03-08
		B.M.R. pose la question : A plane left New York and headed East to its destination 3600 miles away across the Atlantic. On the way back its speed was boosted by a 50 mph tail wind and it arrived an hour early. What was its normal speed? Jack LeSage lui répond.
	Metric Conversion		1999-03-07
		TDestra pose la question : Please help to answer this question: Is a cubic centimeter equivalent to milligrams or milliliters, and how many? Also, is it a liquid measure? Penny Nom lui répond.
	Converting mm's to inches		1999-02-22
		Paul White pose la question : It has been a long time since high school and I do not remember how to convert mm to inches. Could you please tell me what this would convert to in inches? 210 X 254 mm. Chris Fisher lui répond.
	Centimetres		1998-11-11
		Vicky Caldwell pose la question : I work in Carpet Manufacturing and I need to know how to figure the calculation for a roll of carpet in centimeters. For example: a 12 x 100 roll of carpet equals 133.34 square yards, which is 100 linear ft. and 1,200 square foot. Can you please tell me how I would figure to get CENTIMETERS??????? Jack LeSage lui répond.
	Nickles on the Highway		1998-09-22
		Ronnie Mac Donald pose la question : How many nickels would it take to cover 226km of highway,each nickel is 2cm in diameter? Penny Nom lui répond.
	Hour Hand Movement		1998-04-19
		Chris and Angela Bradley pose la question : My wife and I are haveing an argument over the answer to this question, what is the total number of degrees through which the hour hand of the clock moves in 3 hours and 18 minutes? Thanks in advance. Chris Fisher lui répond.
	(-3)x(-2)		1995-10-25
		Azmat pose la question : Why is (-3)x(-2) = 6? Herley Weston and Ed Giesbrecht lui répond.

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