9

Set 5: Percentages

Explanation

Answer: D

A town's population was 110. It increased by 25%. What is the new population?

A.

147.5

B.

127.5

C.

68

D.

137.5

✓ Correct

Detailed Explanation

Choice D is correct. 1. Original: 110 Increase: 25% × 110 = 27.5 New value: 110 + 27.5 = 137.5 Therefore, the new population is 137.5.

Key Steps:

The correct answer is 137.5

Why others are wrong:
A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.
B: This would give an incorrect result. Choice B is incorrect and may result from a calculation error.
C: This would give an incorrect result. Choice C is incorrect and may result from a calculation error.

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