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  3. Questions are based on the following data.[img]2022m10s/ct_ve01203002j_egreqtbz

Questions are based on the following data.[img]2022m10s/ct_ve01203002j_egreqtbz

游客2024-01-12  8
问题 Questions are based on the following data.
[br] 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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