9
Answer: BSet 2: Percentages (Advanced)
Explanation
PROBLEM
An item costs $180 and is 50% off. What is the sale price?
An item costs $180 and is 50% off. What is the sale price?
A.
80
B.✓ Correct
90
C.
95
D.
180
Detailed Explanation
Choice B is the best answer. Discount = 50% of 180 = 90. Sale price = 180 - 90 = $90
Why others are wrong:
A: 80 is incorrect because it does not satisfy the equation.
C: 95 is incorrect because it does not satisfy the equation.
D: 180 is incorrect because it does not satisfy the equation.