5
Answer: DSet 4: Percentages
Explanation
A town's population was 630. It increased by 20%. What is the new population?
A.
746
B.
378
C.
766
D.✓ Correct
756
Detailed Explanation
Choice D is correct. 1. Original: 630 Increase: 20% × 630 = 126 New value: 630 + 126 = 756 Therefore, the new population is 756.
Key Steps:
•
The correct answer is 756
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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