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6 Answered Questions for the topic Decrease

Decrease Math Money Math

08/21/18

How many students were in the group initially?

A group of students decide to divide the $400 profit from their book sale among themselves. When they realize that there are three additional students with whom they must split the profits, they... more

11/05/17

How much undissolved sugar remains (HELP URGENT PLEASE)

Suppose that sugar dissolving in water at room temperature is modeled by S(t)=Soe^kt where S(t) is the amount of undissolved sugar after t hours. If 100g of sugar was added to a sufficient volume... more
Decrease Percentage

10/10/16

there were 80 gallons of gas in a tank...

There were 80 gallons of gas in a tank. Now there are only 50 gallons left.  a) calculate the decrease in the amount of gas in the tank as a percentage of the original. This percentage is the... more

11/10/15

Calculus Homework (derivatives)

I was able to answer a I just can't figure out how to do b or c.   Let f(x)= x3e-9x   a) Find the derivative of f ' (x)   I got this answer: -9e-9xx3+3e-9xx2     b) Find the critical... more
Decrease Math Rounding

10/07/15

How to answer? I'm confused on the second part

The human body is 65% water. A certain man weighed 150 lb. After 1 year on a diet, his weight decreased by 15%. Round all the calculations to two decimal points.   a. Before the diet, how much of... more

01/20/14

Word problem help plz!

This is purely for me wanting to learn more math, this is not an assignment or test Q, I just want to improve my word problem ability, please help :(   A company currently sells 600 units of the... more

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