Question

A dog weighs 20 pounds on Earth,and on Mars it weighs 7.5 pounds.a cat that weighs 15 pounds on Earth weighs x pounds. What is the value of x

Answer 1

x=5.7.
What I did:
7.6/20=0.38
0.38*15=5.7.



I hope this helped.

Answer 2

use a ratio x/15 = 7.5/20, solve for x we have 5.625