Set 5: Percentages

Explanation

Answer: C

A backpack originally costs $220. It is on sale for 40% off. What is the sale price?

142

132

✓ Correct

122

Detailed Explanation

Choice C is correct. 1. Original price: $220 Discount: 40% ×$ 220 = $88 Sale price:$ 220 - $88 =$ 132 Therefore, the sale price is $132.

Key Steps:

•

Apply the appropriate mathematical formula

•

The correct answer is 132

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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