Set 3: Percentages

Explanation

Answer: D

A town's population was 350. It increased by 20%. What is the new population?

410

210

430

420

✓ Correct

Detailed Explanation

Choice D is correct. 1. Original: 350 Increase: 20% × 350 = 70 New value: 350 + 70 = 420 Therefore, the new population is 420.

Key Steps:

•

The correct answer is 420

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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