Set 3: Percentages

Explanation

Answer: A

A phone originally costs $330. It is on sale for 40% off. What is the sale price?

198

✓ Correct

208

188

Detailed Explanation

Choice A is correct. 1. Original price: $330 Discount: 40% ×$ 330 = $132 Sale price:$ 330 - $132 =$ 198 Therefore, the sale price is $198.

Key Steps:

•

Apply the appropriate mathematical formula

•

The correct answer is 198

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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