







Weighing stars and hearts 
20190225 

Zach pose la question : Two stars and one heart weigh 38 units. One star and one heart weigh 27 units what is the weight of each? Penny Nom lui répond. 





The area and weight of sod 
20181211 

Susan pose la question : I have equipment that will cut sod 30 inches across and 75 Feet in length?
how much will this be in square foot age ? Yards? Approximate weight? Penny Nom lui répond. 





5 mm of water over 1 hectare 
20180810 

Joyce pose la question : Please help me with this question.
How many tonnes of water fell on 1 hectare of land during a rainfall of 5mm? Penny Nom lui répond. 





The weight of a cylinder 
20180427 

Jared pose la question : What is the formula for the weight of a cylinder (not hollow) made of cast iron if it has a height of 5.25 inches and a diameter of 1.75 inches? Penny Nom lui répond. 





How much does the fish weigh? 
20170308 

Jeri pose la question : Fish is caught that weighs 5 pounds plus half its weight. How much does the fish weigh? Penny Nom lui répond. 





Tons of sand 
20170301 

Elizabeth pose la question : Hello my arena is 132.23 feet width by 132.23 feet length. I need to put 4 inches of sand. How many tons of sand do I need ? Penny Nom lui répond. 





The weights of two boxes 
20161125 

dearbhla pose la question : One box weighs 3 3/7kg. Another box weighs 1 5/6 as much. How heavy is the second box? Penny Nom lui répond. 





The weight of some dirt 
20160224 

Michael pose la question : How many tons of dirt are in a triangle 14M x10M x 8.1M x .8M deep? Penny Nom lui répond. 





Three chickens weighed in pairs 
20150901 

Shelly pose la question : My son brought home a problem of 3 chickens of different weights listing their weights in different groupings of 2. We are to determine the weight of all three together. I think it's a ratio problem, but I am too far removed to formulate a plan to teach him how to solve it. Robert Dawson and Penny Nom lui répond. 





The weight of a steel block 
20150404 

Mark pose la question : the weight of a steel cube 37 inches X 28 inches X 7 inches Penny Nom lui répond. 





The weight of two dogs 
20150317 

Renee pose la question : Darlene's dog weighed 5 times as much as Leah's dog. Together, the dogs
weighed 84 pounds. How much did each dog weigh?
Write an equation and solve Penny Nom lui répond. 





How much did each dog weigh? 
20140916 

Fred pose la question : LJ owned two dogs that weighed a total of 140 pounds. If one dog weighed 10 pounds more than the other, how much did each dog weigh Penny Nom lui répond. 





The weight of salt in a basket 
20140517 

Sumit pose la question : I want to determine how many kg of salt or XYZ thing can be filled in a basket
Length = 4.5"
Breadth = 5"
Height = 6"
Even its formulae
is kg quantity can be different for semi solid thing Penny Nom lui répond. 





The weight of a pipe full of water 
20130116 

joe pose la question : how do you figure out the weight of a pipe full of water Harley Weston lui répond. 





A container of split peas 
20120906 

Laurie pose la question : I have a container that is 471 square inches (length*width) and is 2.3 inches high. I want to cover the bottom with 1/2 inch of split peas, in order to anchor escort cards (place cards) for a wedding. How many pounds of split peas do I need to cover the area to a height of 1/2 inch? Thanks Penny Nom lui répond. 





The weight of a steel plate 
20120227 

david pose la question : what is the weight of a steel plate that is 1/2" thick, 20" wide, and 45"long if the steel weigh .28 lb per cubic inch. Penny Nom lui répond. 





The weight of 36 inch steel pipe 
20111222 

Keith pose la question : What is the weight of 36 inch steel pipe 3/4 wall per foot in lbs. Penny Nom lui répond. 





Ramon has 6 puppies 
20110417 

Mary pose la question : Ramon has 6 puppies. Five of the 6 weigh the same and one puppy is heavier. If Ramon had a balance scale, what is the least number of times he could weigh the puppies to be sure he could determine which puppy was heavier? Penny Nom lui répond. 





The weight of a tank 
20110111 

tom pose la question : A tank, open at the top is made up of thin sheet iron 1in. thick. The internal
dimensions of the tank are 4 ft. 8in. in long ;3 ft. 6 in.in wide ;4ft 4 in. in deep
Find the weight of the tank when empty, and find the weight when full of salt
water. (Salt water weighs 64 lbs. per cu. ft., and iron is 7.2 times as heavy as
salt water) Harley Weston lui répond. 





The weight of some dirt 
20101103 

Maggie pose la question : I am wanting to know how many tons of dirt we r going to need to fill a basement.
The measurements we r going with r 15ftx15ftx8ft. Penny Nom lui répond. 





There are 12 balls and one balls weight is different than the others 
20100812 

david pose la question : if there was 12 balls and one balls weight is different than the other and use a balance 3 times is there a possible way to find which weigh different Robert Dawson lui répond. 





Disposing of some concrete 
20100812 

Kathy pose la question : We are needing to dispose of concrete that we are tearing out of our
backyard and I need to figure the dimensions and weight.
I figured we have approx. 419 sq ft of concrete at 4" thick.
Could you tell me the how much that comes to in cubic ft,
cubic yards and weight. So I can get some estimates on pricing to
haul off and dispose of. thank you Harley Weston and Tyler Wood lui répond. 





12 coins 
20100707 

Eden pose la question : We have 12 coins same in size and shape and also weight.
But among these, one coin which has same size and shape, but not in weight
and we can't know that this coin was lighter or heavier.
We must decide which coin was lighter or heavier among these 12 coins in
4 times of weighting with scale. Stephen La Rocque and Tyler Wood lui répond. 





Weighing a 1000 lb cylinder on a 500 lb scale 
20100528 

Jerry pose la question : I am trying to weigh a large possibly 1000 lb cylinder on a 500 lb scale, is this possible? If so what is the actual formula to figure out the correct weight? I am told it is possible with the fulcrum method but have not been able to find a formula. Thanks Jerry Robert Dawson lui répond. 





A paper tube 
20100221 

shailesh pose la question : How can i estimate weight of paper tube from size. i have paper tube
inner diameter : 22mm, thickness : 2mm, length : 14mm. so how can i got weight
of paper tube? Harley Weston and Tyler Wood lui répond. 





A trough of water 
20090915 

Darrell pose la question : A trough that measures 4 feet long, 22 inches wide, and 18 inches high will be mounted
on a support stand. If the trough weighs 50 pounds when empty, approximately how many
pounds must the stand be able to hold when the trough is full of water? Penny Nom lui répond. 





Apparent Weight in salt water 
20090606 

Rob pose la question : If an object weighs 100kg in air how much will it weigh when suspended in salt water?
Is there an easily used conversion calculation? Janice Cotcher lui répond. 





Formula for Volume and Weight of Water in Pipe 
20090514 

Jonathan pose la question : Do you have a formula for the amount of water that would be in a 12" schedule
forty pipe in gal at any one time. The piping system will be under pressure
but I need to know the overall weight of a single 20' stick of pipe so that
I can determine my spacing for my concrete support inserts.
Thanks. Robert Dawson lui répond. 





The weight of water in a swimming pool 
20090310 

ely pose la question : How much does the water in a swimming pool 20 ft long, 10 ft wide, and 6 ft deep weigh? Penny Nom lui répond. 





Gravity's Effect at a Distance 
20081206 

ROHAN pose la question : AT WHAT HEIGHT FROM THE SURFACE OF EARTH,THE WEIGHT OF THE BODY BECOMES HALF? (RADIUS OF THE EARTH = 6400) Stephen La Rocque lui répond. 





The volume of a yogurt pot 
20081204 

Robyn pose la question : Okay, I know you have some answers on converting this already, but I can not convert the yoghurt pot I need yet into ml.
Is there some way to explain this using the yoghurt as an example?
The pot's 150g of lowfat strawberry yoghurt... would the 'lowfat' have an effect on this?
I'm sorry if this is a bother for you to answer, I just don't seem to be able to get it...
Have a nice day.
 Robyn Janice Cotcher and Penny Nom lui répond. 





A weighted average 
20081127 

Kenneth pose la question : I am interested in determining the answers to the following question by using some type of weighted average:
An investor has $30,000 to invest at simple interest in two accounts. One account earns 2% and the second earns 5%. How much must he invest in each account if his total return is 4% or $1,200? Penny lui répond. 





The weight of a concrete cylinder 
20080918 

Curtis pose la question : I am trying to calculate the weight of a concrete cylinder. The diameter is 56" and the thickness or depth is 24". Can anyone help me? If possible I would like to see the formula as to how the answer was derived. Thank you Harley Weston lui répond. 





Four weights 
20080825 

Darla pose la question : A balance had known weights of 1/2 lb, 1/4 lb, 1/8 lb, and 1 oz. Edna's object weighted 2 oz. more than Paul's. Each used 3 known weights to weight his or her object. which know weights did each use? Penny Nom lui répond. 





The weight of a cubic yard of dirt 
20080721 

Robert pose la question : I need to know how many pounds of dirt is in a cubic yard Penny Nom lui répond. 





How much sand do I order? 
20080715 

jackson pose la question : We would like to put 2 inches of sand down. The pool is 24 feet.
How much sand will we need?
The person we spoke to yesterday was talking in tons, but on these sites it is
talking cubic yards or feet.
Please help. We would like to get the sand ordered so we can get the pool up! Harley Weston lui répond. 





The weight of concrete 
20080611 

Daniel pose la question : I need to calculate the weight of Concrete in a slab that measures 2' x 4' x 4" thick.
I am pricing out a job and have two different size stones to work with, the second stone measures
2' x 2' x 4". Harley Weston lui répond. 





Net weight 
20080523 

Leticia pose la question : Hello, My name is Leticia,
I am having trouble with Net weight and I need your help.
When I am in class my friends answer questions that they say are easy,but I have no clue what's happening, we are going to have a test soon so please send me fast. Janice Cotcher lui répond. 





Volume/weight of a salt shedweight 
20080521 

James pose la question : How do I find the volume/weight of a salt shed. I have a 3000 ton barn, I need a better way of finding how much salt to order as it gets used. I know how to calculate volume, how do i get tonnage from there?? Harley Weston lui répond. 





The weight of a bar of steel 
20080422 

Himmler pose la question : if a steel weighs 0.30 pounds per cubic inch, then the weight of a 2 inch square steel bar 90 inches long ispounds. Penny Nom lui répond. 





The weight of 1 litre of milk 
20080407 

IMRAN pose la question : WHAT WEIGHT IN KILOGRAMS DOES 1 LITRE OF MILK HAVE? Penny Nom lui répond. 





How much do the pumpkins weigh? 
20080405 

Jose pose la question : Mr. Appleberry brought in pumpkins for science class, one for each group.
The fist task wa to weigh the pumpkins, but the scales they had wouldn't register
any weight under 7 pounds, and it seemed that two ot three pumpkins were under
that weight. The class decided that they could weigh the pumpkins two at a time,
so they weighed each pumpkin with each of other pumpkins.
The weights registered on the scale were:
7 pounds
8 pounds
9 pounds
10 pounds
11 pounds
12 pounds
How many pumpkins were there, and how much did each weigh? Penny Nom lui répond. 





The amount of water in a pool 
20080330 

anurag pose la question : what will the weight of water in a swimming pool having dimensions of 18ft *10ft*5 ft?
how much water will be needed for filling it up? Penny Nom lui répond. 





A car tire full of concrete 
20080327 

robert pose la question : I want to build a volleyball net support. I am using a car tire 24"odx16"id filled with concrete. how much will this weigh? thanks Penny Nom lui répond. 





How much does water weigh per gallon? 
20080218 

sofie pose la question : how much does water weigh per gallon Penny Nom lui répond. 





Bales of hay 
20080206 

mark pose la question : 5 bales of hay are weighed 2 at a time in all possible ways. The weights are
110
112
113
114
115
116
117
118
120
121
How much does each bale weigh Stephen La Rocque and Penny Nom lui répond. 





A 300 ton train locomotive is built at exact half scale in all dimensions 
20071216 

Normand pose la question : When a 300 ton train locomotive is built at exact half scale in all dimensions
we assumed the weight would be 150 tons.
Like a bar of solid steel cut in half would be.
Why does this not work out?
What are we missing here? Penny Nom lui répond. 





I know it's heavy, but how heavy, per linear foot? 
20071119 

Gary pose la question : I am trying to find out the weight of a linear foot of a steel bar with the following measurements.
Thickness  1.125"
Length  120"
Height  18"
Density of carbon steel  .2837
I know it's heavy, but how heavy, per linear foot? Stephen La Rocque lui répond. 





How many tons of asphalt are in 12 cubic yards? 
20071015 

Matthew pose la question : I want to know how many tons of asphalt are in 12 cubic yards? Penny Nom lui répond. 





How much stone will be needed to fill the trench? 
20070914 

Debbie pose la question : A trench 100metres long 1ft wide*18inches deep with a 4inch pipe laid. How much stone will be needed to fill the trench.
How much weight in stone would I need to fill it? Penny Nom and Victoria West lui répond. 





The weight of a hollow cylinder 
20070818 

chris pose la question : how do you find how much a 4 foot diameter cylinder 4ft tall with a thicknees of 6 inches weigh Stephen La Rocque lui répond. 





A weighted score 
20070605 

Cindy pose la question : We need to weight numbers differently in terms of a percentage calculation. One number {80 for example} at 65% and another number {100 for example} at 35%. How do we calculate these into one total grade for example. Penny Nom lui répond. 





Buying topsoil 
20070516 

Claudia pose la question : I am trying to figure out if it is cheaper to buy topsoil by the bag (one 40lbs bag for $1.66) or having it delivered for $60 for 4 cubic yards. Penny Nom lui répond. 





Weightng coins 
20070218 

Gary pose la question : You are considering buying 27 silver coins that look alike, but you have been told that one of the coins is a lightweight counterfeit. Find the least number of weighings on a balance scale that you can use to be certain you have found the counterfeit coin. Penny Nom lui répond. 





Conversions 
20070209 

Donna pose la question : Hi! I hope you can help me... What is the cost of 10 grams platinum if one ounce = $1200 (troy weight)? I REALLY appreciate your help. Can you please send me the formula to figure it out too? Thank You! Donna :) Stephen La Rocque lui répond. 





Baby weight gain 
20070126 

Reynaldo pose la question : A baby weighed 3.2 kg at birth. She gained 0.17 kg per week. How old was she when she weighed 5.75 kg? Penny Nom lui répond. 





Apples, oranges, bananas and pears 
20061230 

Richard pose la question : If 6 oranges weights as much as 4 apples, 5 bananas weights as much as 3 pears, and ten bananas weights as much as 8 oranges. How many pears and apples would you need to have their weights balanced. Penny Nom lui répond. 





I have a ditch how many tons of dirt will it take 
20060625 

Scott pose la question : I have a ditch 200 feet long 10 feet wide and 5 feet deep.How many tons of dirt will it take to fill it? Stephen La Rocque lui répond. 





If a person who weighs 270 pounds on Earth 
20060510 

Chloe pose la question : If a person who weighs 270 pounds on Earth weighs 45 pounds in space, how much would a person weigh in space who weighs 132 pounds on Earth? Stephen La Rocque and Penny Nom lui répond. 





How much does 1300cc of liquid weigh? 
20060428 

Debra pose la question : How much does 1300cc of liquid weigh, and how is the formula equated? Stephen La Rocque lui répond. 





Percentage of weight 
20060426 

Karen pose la question : How do you calculate percentage of weight lost? Stephen La Rocque lui répond. 





5 men took turns weighing themselves on a scale 
20060330 

Bev pose la question : 5 men took turns weighing themselves on a scale. However, they weighed each other two at a time, ten times total, so that every possible combination of two men was weighed. The scale had the following read out for the pairs, 236,244,228,250,258,230,246,238,242,and 252 pounds. How heavy was the heaviest man? Claude Tardif lui répond. 





How much will each piece weigh? 
20060128 

Matt pose la question :
How many equal pieces that weigh between 12 and 13 ounces can be made from 110 ounce block if the whole block is used? How much will each piece weigh?
A paper square has area of 100 in^{2}. Into how many pieces of equal area must the square be but if the area of each piece is to be between 8 in^{2} and 9 in^{2}? What is area of piece?
Penny Nom lui répond. 





Percentage weight change 
20060124 

Abdul pose la question : what is the percent change if a person's weight changed over 3 years:
year 1995 1997 1998 %change(19951998)
weight 63kg 67kg 73kg ......... Penny Nom lui répond. 





Twelve golf balls 
20051228 

Todd pose la question : You have 12 golf balls and 11 of them are the exact same weight, but one of them is either a little heavier or a little lighter. You only have three attempts to weigh the balls. How can you determine which ball weighs more/less than the rest? Penny Nom lui répond. 





The weight of some concrete 
20050215 

Jordan pose la question : I have 6 acres of concrete that is 3 feet thick the aprox. weight of 1 cubic yard of concrete is 4024 pounds I am trying to find out how much my 6 acres weighs. fortunately my concrete is 3 feet deep. Penny Nom lui répond. 





425 cc's of a saline solution 
20040330 

Julie pose la question : 425 cc's of a saline solution is equal to how much in lbsweight?? Harley Weston lui répond. 





A new baby 
20040314 

Jessica pose la question : I just had a baby 3weeks ago, he is in the hospital and he can come home when he is 1800 grams, well i was wondering how many pounds that is? Penny Nom lui répond. 





Lead weights 
20040126 

Jeff pose la question : I am making a mold for my decoy anchors. I need
10  12 lead ounce weights. How would I determine the liquid measurement for that weight? For example if I melted down 10 ounces of lead how many cups would that be or quarter cups etc?
I would like the formula if I could and good instructions on how to use the formula. Penny Nom lui répond. 





A counterfeit coin 
20040123 

Kim pose la question : You are considering buying 45 silver coins that look alike, but you have been told that one of the coins is a lightweight counterfeit. Find the least number of weighings on a balance scale that you can use to be certain you have found the counterfeit coin? Penny Nom lui répond. 





A fish tank 
20031126 

Bill pose la question : How do I work out the volume and weight of water in a fish tank that is 36in x 14in x 12in? Penny Nom lui répond. 





The weight of a fish tank 
20030520 

A ponderer pose la question : I had a question pertaining conversion units..I have a fish tank at home and the dimensions are 24, 44, and 48 inches, I want to find out how much it weighs in pounds when filled up with water...knowing water is 62.4 pounds per cubic feet...do I just divide the 62.4 pounds to 12 because I"m trying to find out through cubic inches. Penny Nom lui répond. 





Density 
20030219 

Rob pose la question : What is the formula for converting cubic feet to pounds? (with any substance) Penny Nom lui répond. 





Splitting weight 
20030210 

Jin Ho pose la question : A balance scale has only two weights, 1 ounce and 4 ounces. In only three weighings split 180 ounces of seed in two bags of 40 and 140 ounces. Penny Nom lui répond. 





Mrs. Klein has been losing 1 pound a week for the last year 
20021030 

Brett pose la question : On her diet, Mrs. Klein has been losing 1 pound a week for the last year. Her husband weighs 110 pounds more than she does now. If his weight is twice what her weight was 6 weeks ago, how much does mrs. Klein weigh now? Penny Nom lui répond. 





Averaging grades 
20021024 

Richard pose la question : I'm using a grading program for the first time this year. (ok, that's not a question) I require my students to record their grades in a Scorekeeper when they get them back. I'd like to know if my students can keep up with averaging their grades just as the grading programs automatically averages them when I put them in the spreadsheet. Penny Nom and Claude Tardif lui répond. 





A fish weighs 10 pounds more than half its weight. 
20020910 

Rebecca pose la question : A fish weighs 10 pounds more than half its weight. How much does it weigh? Penny Nom lui répond. 





Weighing pumpkins 
20020908 

Jennifer pose la question : Suppose five pumpkins are weighed two at a time in all possible ways. The weights in pounds are recorded as 16, 18, 19, 20, 21, 22, 23, 24, 26, and 27. How much does each individual pumpkin weigh. NO FRACTIONS! Penny Nom lui répond. 





Ratios and weights on Neptune 
20020603 

Janice pose la question : The ratio of an object's weight on earth to it's weight on Neptune is 5:7. How much would a person who weighs 150 pounds on earth weigh on Neptune. Penny Nom lui répond. 





Are you overweight? 
20010503 

Oneita pose la question : How do I square a number.....? My problem is : square your height in inches and take 4.25 percent of the result to determine if you are overweight. Claude Tardif lui répond. 





The weight of a watermelon 
20000425 

Lori Speir pose la question : If I have a 100 pound watermelon and it is 99% water. If it sits out in the sun all day and is now only 98% water what does it weigh now? Penny Nom lui répond. 





How many grams are in 1 ounce? 
20000404 

Kathy G pose la question : How many grams are in 1 ounce? Penny Nom lui répond. 





Word problems 
20000331 

Amy pose la question : Question:  a north bound train left at noon. four hours later a south bound train left the same station. at 5 o'clook they were 160 miles apart. what was the rate of both if the north bound train was going 20 miles faster than the other one.
 clark's final exam was given 5 times the weight of the weight of a weekly test. the avgerage of 15 weekly test was 91. the overall weighted average was 85. what did he make on the final.
Penny Nom lui répond. 





Increasing the weight 
20000323 

Lee Millard pose la question : A weight of dimension a, b is to have its weight increased by w% by bolting plates of the same material along the top and one side (but not at both ends). The top plate and side plate have the thickness, x. Find the thickness of the plates for a given weight increase of w%. Penny Nom lui répond. 





Mass of the earth 
20000221 

Terry Broughton pose la question : My name is terry i am 15 my question is how much does our planet earth weigh ? Chris Fisher and Harley Weston lui répond. 





Bales of hay 
19990913 

Ivy pose la question : You are given 5 bales of hay. Two bales are weighed at a time, which equal the following weights: 110, 112, 113,114,115,116,117,118,120,121. What does each individual bale weigh? Harley Weston lui répond. 





Who is right 
19990904 

rf, k, p and uncle a pose la question : Good morning. Could you please, help us resolve and by the way, confirm "who is right"... regarding the solution of this problem:  a piece of metal is 6 in. wide by 2 in. in height and weights 500 pounds...  what is the weight of a piece made of same metal, 5 in. wide by 1 3/4 in in height? Could you please supply the "formula". Regards, rf, k, p and uncle a. Penny Nom lui répond. 





A Weighty Problem 
19990617 

A parent pose la question : When using a balance scale, weights can be placed on either side of the scale. For example, if a 10 pound weight provides a counter balance to an object and a 7 pound weight, then the object must weigh 3 pounds. What four weights can be used to weigh objects of 1, 2, 3 ... 38, 39, 40 pounds? Penny Nom lui répond. 





A balance problem 
19961118 

Jack N. Bussell pose la question : There are 12 coins which look exactly the same, however one of them is heavier or lighter than the rest. Using a pointer balance scale, can you identify the odd coin and whether it is heavy or light in 3 weighings? Harley Weston lui répond. 





A coin problem 
19960416 

Julie Hebert and Simon Hamel pose la question : How many weighings would you need to find out which pile is fraudulent? Penny Nom lui répond. 

