9

Set 4: Percentages (Intermediate)

Explanation

Answer: C

PROBLEM

A price of $70 decreases by 10%. What is the new price?

A price of $70 decreases by 10%. What is the new price?

A.

53

B.

126

C.

63

✓ Correct
D.

58

Detailed Explanation

Choice C is the best answer. Decrease = 10% of 70 = 7. New price = 70 - 7 = $63

Why others are wrong:
A: 53 is incorrect because it does not satisfy the equation.
B: 126 is incorrect because it does not satisfy the equation.
D: 58 is incorrect because it does not satisfy the equation.