Set 5: Percentages

Explanation

Answer: A

A bicycle originally costs $60. It is on sale for 30% off. What is the sale price?

✓ Correct

Detailed Explanation

Choice A is correct. 1. Original price: $60 Discount: 30% ×$ 60 = $18 Sale price:$ 60 - $18 =$ 42 Therefore, the sale price is $42.

Key Steps:

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Apply the appropriate mathematical formula

•

The correct answer is 42

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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