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	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.
	f(x) + f ''''(x)=0		2013-03-05
		Andreea pose la question : Hei. I don’t speak lot of english but here is my question,hope u understand: f(x) + f ````(x)=0. so, my question. what is f(x), where f ````(x) is f(x) derivative by four time ? i tried to find the answer and i knew f(x) is something like that f(x)=e^x*sinx but miss something. Brennan Yaremko lui répond.
	What is the subtotal & GST?		2013-03-04
		REBECCA pose la question : Hi, I have a total of $300. What is the subtotal & GST? How do I work backwards? Penny Nom lui répond.
	Markup and discount to get a sale price		2013-03-02
		Warren pose la question : If you are an ardent shopper you will be aware of the discount (% decrease) marketing strategy to produce the sale price. I began to wonder just how much mark-up (% increase) was added initially to an item in order to deliver the discounted sale price. It was simple to construct a formula to convert one to the other. For example a 30% (mark down) decrease in price required a 42.86% (mark up) to increase the price initially to Tag price. However when I started apply the formulae to a number of circumstances I noticed some very interesting circumstances associated with this relationship For example a 99.999999% decrease is numerically equal to a 9,999,999,925% increase (huge ratio difference) while conversely a 0.1% decrease is numerically equal to a 0.10010010% increase (Infinitesimally small ratio difference) so the patterns appears logarithmic not linear. However what really caught my attention was this pattern See http://www.ozsmart.com/doc/percentage.htm My questions is why does the decline in the ratio of increases in required mark up (%) price peak at 50 and 51% precisely and then expand again as the percentage move higher Any explanation would be appreciated Harley Weston lui répond.
	A linear programming problem		2013-02-27
		Kelley pose la question : A manufacturer of skis produces two types: downhill and cross-country. Use the following table to determine how many of each kind of ski should be produced to achieve a maximum profit. What is the maximum profit? What would the maximum profit be if the time available for manufacturing is increased to 48 hours.   Downhill Cross-country time available manufacturing time per ski 2 hrs 1 hr 40 hr finishing time per ski 1 hr 1 hr 32 hr profit per ski $70 $50   Penny Nom lui répond.
	Four digit "combinations" using 0124		2013-02-27
		Ayana pose la question : What are all the possible four digit combinations using 0124. Please list them for me. Thank you. Penny Nom lui répond.
	100 animals		2013-02-25
		Jessica pose la question : You have exactly $100.00 to spend. You must get 100 animals. The chicks cost $0.10 each. The pigs cost $2.00 each. The sheep cost $5.00 each. You must get some of each animal. How many of each animal can you get? Penny Nom lui répond.
	An error in finding the mean		2013-02-25
		Abhishek pose la question : Mean of 50 observations was found to be 80.4 but later all it was discovered 96 was mistake at 69 Find the correct mean? Penny Nom lui répond.
	A messy arithmetic expression		2013-02-24
		niiaryee pose la question : (((((5^2*4^3)1/5+9^3/3)+(25+(4*5)/15)^2-10)/10/2)3))))) Penny Nom lui répond.
	An equation with exponents		2013-02-24
		Chelsea pose la question : (81 to the power of 3n+2 over 243 to the power of -n) is equal to 3 to the power of 4 Find the value of n. The answer I got was n is equal to negative (4 over 7). The answer in my text was n is equal to negative (4 over 17) Penny lui répond.
	The tangent to a circle at a point on the circle		2013-02-22
		Andrew pose la question : What is the equation of the line tangent to the circle with equation x^2+y^2=25 at the point (-4,3) Penny Nom lui répond.
	Fractions over fractions		2013-02-22
		Kenssa pose la question : Question from Kenssa, a parent: Simplify: 3-(7/x)-(6/x^2) / (3/x^2)+(5/x)-2 Harley Weston lui répond.
	Your profit should be 20% of your cost		2013-02-21
		anis pose la question : if the customer says your profit should be 20% of your cost.. 1) my selling value should be cost +20% of cost = SP or 2)cost / 0.80 = SP which is correct...if the second answer is right how should i justify my customer Penny Nom lui répond.
	Solve sin 3x = -0.1254 with x between o and 360 degrees		2013-02-21
		David pose la question : sin 3x = -0.1254 0 Harley Weston lui répond.
	Solve sin 3x = -0.1254 with 0		2013-02-21
		David pose la question : sin 3x = -0.1254 0 Harley Weston lui répond.

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