Set 4: Percentages

Explanation

Answer: C

A jacket originally costs $320. It is on sale for 20% off. What is the sale price?

266

246

256

✓ Correct

128

Detailed Explanation

Choice C is correct. 1. Original price: $320 Discount: 20% ×$ 320 = $64 Sale price:$ 320 - $64 =$ 256 Therefore, the sale price is $256.

Key Steps:

•

Apply the appropriate mathematical formula

•

The correct answer is 256

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.

D: This would give an incorrect result. Choice D is incorrect and may result from a calculation error.

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