Questions are based on the following data. In 1993 a card company that sold 40 percent of the Mother’s Day cards that year pri

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问题 Questions are based on the following data.

In 1993 a card company that sold 40 percent of 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?

选项 A、155<r<1,240
B、93<r<496
C、93<r<326
D、62<r<744
E、62<r<496

答案E

解析 此题只针对1993年卖的卡片计算,需要参考的还是右面的表。在母亲节全部公司的销量为155 million,该公司占40%,所以该公司的销量为155 million×40%=62 million。每张卡的价格区间为1元到8元,所以62<r<62×8→62<r<496。故答案为E。
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