SOLUTION: I have the following problem to solve and I can not figure out the ratio. The example we are given is a 150 pound person excersing for 60 minutes burns 650 calories running in pla

Question 224287: I have the following problem to solve and I can not figure out the ratio. The example we are given is a 150 pound person excersing for 60 minutes burns 650 calories running in place and 275 calories swimming at 25yd per minute.
How many calories will a 115 pound person burn running in place and a 175 pound person burn swimming? (activities for 60 minutes )
I broke the ratio of 150:650 down to 3:13 but cannot get the 115:X to solve. If someone could tell me what I am doing wrong in the solving process I would greatly appreciate it. Thanks.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Cross-multiply:

Now just do the arithmetic.

By the way, it works just as well without reducing the fraction -- it is just that the numbers are bigger and uglier:

John

RELATED QUESTIONS
I was given a project to take a rectangular prism (like a cereal box)and get all the... (answered by ankor@dixie-net.com)

Okay here's an example of a problem I need to solve and I can not figure it out with... (answered by jim_thompson5910)

Hello, We are learning Inequalities Involving Two Triangles (SAS Inequalities i.e. Hinge (answered by NancyLam)

multiply both side of the equation by a common denominator to eliminate the fractions. (answered by mananth)

Multiply both side of the equation by a common denominator to eliminate the fractions. (answered by Earlsdon)

I have the following problem: Determine whether the function given by the table is... (answered by solver91311)

good evening, I am not sure if this is where I need to ask the question on solving... (answered by ankor@dixie-net.com)

What is the vertex of f(x)=3x^2-12x+11? I have tried to follow the example in the text... (answered by scott8148)

I am trying to help my son with his homework but the book does not show an example for... (answered by Earlsdon,khloe)