7
Answer: ASet 5: Percentages
Explanation
A town's population was 520. It increased by 100%. What is the new population?
A.✓ Correct
1040
B.
520
C.
1050
D.
1030
Detailed Explanation
Choice A is correct. 1. Original: 520 Increase: 100% × 520 = 520 New value: 520 + 520 = 1040 Therefore, the new population is 1040.
Key Steps:
•
The correct answer is 1040
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.
🎯 Keep Practicing!
Master all sections for your best SAT score