Set 5: Percentages

Explanation

Answer: A

A town's population was 990. It increased by 10%. What is the new population?

1089

✓ Correct

544

1099

1079

Detailed Explanation

Choice A is correct. 1. Original: 990 Increase: 10% × 990 = 99 New value: 990 + 99 = 1089 Therefore, the new population is 1089.

Key Steps:

•

The correct answer is 1089

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.

Master all sections for your best SAT score