Set 3: Percentages

Explanation

Answer: C

A headphones originally costs $190. It is on sale for 25% off. What is the sale price?

152.5

142.5

✓ Correct

132.5

Detailed Explanation

Choice C is correct. 1. Original price: $190 Discount: 25% ×$ 190 = 47. $5 Sale price:$ 190 - 47. $5 = 142.$ 5 Therefore, the sale price is $142.5.

Key Steps:

•

Apply the appropriate mathematical formula

•

The correct answer is 142.5

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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