8
Answer: DSet 5: Percentages
Explanation
A town's population was 330. It increased by 25%. What is the new population?
A.
422.5
B.
402.5
C.
206
D.✓ Correct
412.5
Detailed Explanation
Choice D is correct. 1. Original: 330 Increase: 25% × 330 = 82.5 New value: 330 + 82.5 = 412.5 Therefore, the new population is 412.5.
Key Steps:
•
The correct answer is 412.5
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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