10
Answer: BSet 3: Percentages (Intermediate)
Explanation
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.✓ Correct
117
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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