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题目材料：
In 1993, a card company that sold 40 percent of all the Mother's Day cards that year priced its cards for that occasion between $1.00 and $8.00 each. If the revenue from sales of the company's Mother's Day cards in 1993 was r million dollars, which of the following indicates all possible values of r?
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A.155 < r < 1,240
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B.93 < r < 496
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C.93 < r < 326
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D.62 < r < 744
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E.62 < r < 496
E显示答案
