3
Answer: ASet 2: Percentages
Explanation
A jacket originally costs $440. It is on sale for 25% off. What is the sale price?
A.✓ Correct
330
B.
340
C.
165
D.
320
Detailed Explanation
Choice A is correct. 1. Original price: 440 = 440 - 330 Therefore, the sale price is $330.
Key Steps:
•
Apply the appropriate mathematical formula
•
The correct answer is 330
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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