Question

8. Bob bought a pair of tennis shoes on sale

for $72 at a sport's store. The original
price of the shoes was $90. What was the
percent of
decrease
?
PLEASE HELP ASAP

Answer 1

20%

Explanation:

So, I would set this up as a proportion-

72 x

90 100

Cross multiply-

100 x 72 = 7200

Divide-

7200/90 = 80

Subtract-

100 - 80 = 20

So, it is a 20% decrease