Set 2: Percentages

Explanation

Answer: A

A bicycle originally costs $100. It is on sale for 30% off. What is the sale price?

✓ Correct

Detailed Explanation

Choice A is correct. 1. Original price: $100 Discount: 30% ×$ 100 = $30 Sale price:$ 100 - $30 =$ 70 Therefore, the sale price is $70.

Key Steps:

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Apply the appropriate mathematical formula

•

The correct answer is 70

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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