1
Answer: DSet 1: Percentages (Advanced)
Explanation
PROBLEM
A value increased from 90 to 108. What was the percent increase?
A value increased from 90 to 108. What was the percent increase?
A.
15%
B.
40%
C.
25%
D.✓ Correct
20%
Detailed Explanation
Choice D is the best answer. Change = 108 - 90 = 18. Percent = 18/90 times 100 = 20%
Why others are wrong:
A: 15% is incorrect because it does not satisfy the equation.
B: 40% is incorrect because it does not satisfy the equation.
C: 25% is incorrect because it does not satisfy the equation.