
Andrew M. answered 11/03/15
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
You may want to look at the logic a little deeper:
72 is what percent of 45 means:
72 = x%(45)
Since x is a percent it is x/100
72 = (x/100)45
72 = (45/100)x
x = 72(100/45)
x = 160%