SOLUTION: There are approximately 5lbs of muscle for every 7lbs of body weight of a certain animal. For a 168-lb animal, how much of the weight is muscle? The are _____lbs of muscle.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: There are approximately 5lbs of muscle for every 7lbs of body weight of a certain animal. For a 168-lb animal, how much of the weight is muscle? The are _____lbs of muscle.      Log On


   



Question 555156: There are approximately 5lbs of muscle for every 7lbs of body weight of a certain animal. For a 168-lb animal, how much of the weight is muscle?
The are _____lbs of muscle.

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
There are approximately 5lbs of muscle for every 7lbs of body weight of a certain animal. For a 168-lb animal, how much of the weight is muscle?
:
Do this a proportion
5%2F7 = m%2F168
7m = 5 * 168
7m = 840
m = 840/7
m = 120 lbs are muscle in a 168 lb animal