Set 2: Percentages

Explanation

Answer: C

A tablet originally costs $310. It is on sale for 50% off. What is the sale price?

165

145

155

✓ Correct

Detailed Explanation

Choice C is correct. 1. Original price: $310 Discount: 50% ×$ 310 = $155 Sale price:$ 310 - $155 =$ 155 Therefore, the sale price is $155.

Key Steps:

•

Apply the appropriate mathematical formula

•

The correct answer is 155

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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