Digital PSAT Math Practice Question 109: Answer and Explanation
Question: 109
If a store has a sale in which all prices are discounted by two-thirds and also distributes coupons that take an additional 20 percent off the price, what is the fraction of the original price that a customer using a coupon would pay during the store's sale?
- A.
- B.
- C.
- D.
Correct Answer: C
Explanation:
(C) If prices are discounted by , that means you're still paying
of the original price. If you also have a coupon that discounts 20%, you're still paying 80% of that price. Since the sale price is
of the original price, the price with the coupon is 80% of
of the original price. The fraction
(or
if that makes more sense to you) can represent 80%.
So we can find 80% of :
Choice (C) is the answer.
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