5
Answer: ASet 2: Percentages (Advanced)
Explanation
PROBLEM
An item costs $160 and is 20% off. What is the sale price?
An item costs $160 and is 20% off. What is the sale price?
A.✓ Correct
128
B.
138
C.
133
D.
123
Detailed Explanation
Choice A is the best answer. Discount = 20% of 160 = 32. Sale price = 160 - 32 = $128
Why others are wrong:
B: 138 is incorrect because it does not satisfy the equation.
C: 133 is incorrect because it does not satisfy the equation.
D: 123 is incorrect because it does not satisfy the equation.