For every 4 jumping jacks Lauren did during the physical fitness test, Jason did 3. Lauren was able to do 10 more jumping jacks than Jason. How many jumping jacks did Jason do?

Answer 1

L/J = 4/3
L = J+10

Hmmm. Looks like 40 and 30, huh?

Answer 2

For every 8 chin-ups that Doug did during the physical fitness test,Adam did 3. Doug was able to do 15 more chin ups than Adam. How may chin-ups did Adam do?

Answer 3

set up the equations just as I did, using your new numbers.