Answer:
20%
Step-by-step explanation:
A pair of jeans cost $45 before the sale.
The sale is taking $9 off of the original price.
Then
$45 - 100%
$9 - x%
Write a proportion:

Cross multiply:

Answer:
Step-by-step explanation:
D 30 would be the answer sorry if its wrong
Answer:
c
Step-by-step explanation:
45:15=3:1 not 1:3
Pi is canceled out
so 3/4 x 180 = 135
hope it helps