9
Answer: DSet 5: Percentages
Explanation
A town's population was 110. It increased by 25%. What is the new population?
A.
147.5
B.
127.5
C.
68
D.✓ Correct
137.5
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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