Set 4: Percentages

Explanation

Answer: C

A camera originally costs $330. It is on sale for 50% off. What is the sale price?

155

165

✓ Correct

175

Detailed Explanation

Choice C is correct. 1. Original price: $330 Discount: 50% ×$ 330 = $165 Sale price:$ 330 - $165 =$ 165 Therefore, the sale price is $165.

Key Steps:

•

Apply the appropriate mathematical formula

•

The correct answer is 165

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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