Question

At practice, Tom does three times as many push-ups as Justin, and also 50 jumping jacks. He does 72 exercises in

total. The equation 3x + 50 = 72 describes this situation. What does the variable z represent?

Answer 1

X= 7 1/3
Explanation- Take 72 and subtract 50 from that giving you 22. Then take 22 and divide it by 3 to get 7.3333333333333 (repeats) or 7 1/3