7
Answer: DSet 1: Percentages
Explanation
A town's population was 850. It increased by 20%. What is the new population?
A.
510
B.
1010
C.
1030
D.✓ Correct
1020
Detailed Explanation
Choice D is correct. 1. Original: 850 Increase: 20% × 850 = 170 New value: 850 + 170 = 1020 Therefore, the new population is 1020.
Key Steps:
•
The correct answer is 1020
Why others are wrong:
A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.
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.
🎯 Keep Practicing!
Master all sections for your best SAT score