9

Set 5: Percentages

Explanation

Answer: B

A town's population was 490. It increased by 50%. What is the new population?

A.

367

B.

735

✓ Correct
C.

745

D.

725

Detailed Explanation

Choice B is correct. 1. Original: 490 Increase: 50% × 490 = 245 New value: 490 + 245 = 735 Therefore, the new population is 735.

Key Steps:

The correct answer is 735

Why others are wrong:
A: This would give an incorrect result. Choice A 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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