Valerie bought a pair of shoes that were on sale for 20% off. The sale price was $120. What was the original price?
A
$140
B
$150
C
$160
D
$170
Let x be the original price of the shoes.
The sale price is x - 0.2x = 0.8x.
0.8x = $120
x = $120 / 0.8 = $150.
The answer is B.