Whole and Part - SSAT Middle Level Quantitative

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Question

Sweaters are each, but they are on sale: when you buy one, you get one free. Rebecca buys one sweater and gets one free. At checkout, she then presents a coupon for an additional off. What is the average cost of one sweater in dollars (before tax)?

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Answer

If Rebecca buys a sweater that is part of a buy one, get one free sale, that means that she will get two sweaters for a total of . A off discount will mean that Rebecca will save off of her total because of is .

Therefore, the total she will pay is equal to .

The average price of a sweater will therefore be .

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