7

Set 5: Percentages

Explanation

Answer: A

A town's population was 520. It increased by 100%. What is the new population?

A.

1040

✓ Correct
B.

520

C.

1050

D.

1030

Detailed Explanation

Choice A is correct. 1. Original: 520 Increase: 100% × 520 = 520 New value: 520 + 520 = 1040 Therefore, the new population is 1040.

Key Steps:

The correct answer is 1040

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

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