Set 3: Percentages

Explanation

Answer: B

A town's population was 640. It increased by 50%. What is the new population?

480

960

✓ Correct

970

950

Detailed Explanation

Choice B is correct. 1. Original: 640 Increase: 50% × 640 = 320 New value: 640 + 320 = 960 Therefore, the new population is 960.

Key Steps:

•

The correct answer is 960

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.

Master all sections for your best SAT score