2
Answer: ASet 3: Percentages
Explanation
A town's population was 810. It increased by 50%. What is the new population?
A.✓ Correct
1215
B.
1225
C.
1205
D.
607
Detailed Explanation
Choice A is correct. 1. Original: 810 Increase: 50% × 810 = 405 New value: 810 + 405 = 1215 Therefore, the new population is 1215.
Key Steps:
•
The correct answer is 1215
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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