10

Set 3: Percentages (Intermediate)

Explanation

Answer: B

PROBLEM

Recent studies show that a price of $130 decreases by 10%. What is the new price?

A price of $130 decreases by 10%. What is the new price?

A.

127

B.

117

✓ Correct
C.

234

D.

122

Detailed Explanation

[Variation 1] Choice B is the best answer. Decrease = 10% of 130 = 13. New price = 130 - 13 = $117

Why others are wrong:
A: 127 is incorrect because it does not satisfy the equation.
C: 234 is incorrect because it does not satisfy the equation.
D: 122 is incorrect because it does not satisfy the equation.

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