Set 4: Percentages

Explanation

Answer: B

A camera originally costs $380. It is on sale for 50% off. What is the sale price?

180

190

✓ Correct

200

Detailed Explanation

Choice B is correct. 1. Original price: $380 Discount: 50% ×$ 380 = $190 Sale price:$ 380 - $190 =$ 190 Therefore, the sale price is $190.

Key Steps:

•

Apply the appropriate mathematical formula

•

The correct answer is 190

Why others are wrong:

A: This would give an incorrect result. Choice A 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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