1
Answer: ASet 5: Percentages
Explanation
What is 30% of 140?
A.✓ Correct
42
B.
32
C.
21
D.
52
Detailed Explanation
Choice A is correct. To find a percentage: 1. Convert: 30% = 0.3 Multiply: 0.3 × 140 = 42 Therefore, 30% of 140 is 42.
Key Steps:
•
The correct answer is 42
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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