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标题: OG DS 129 [打印本页]

作者: dhhgh11    时间: 2005-3-5 07:44     标题: OG DS 129

129. At the beginning of last month, a stationery store had in stock 250 writing pads, which had cost the store $0.75 each. During the same month, the store made only one purchase of writing pads. What was the total amount spent by the store on the writing pads it had in stock at the end of last month?

(1) Last month the store purchased 150 writing pads for $0.80 each

(2) Last month the total revenue from the sales of writing pads was $180


作者: dhhgh11    时间: 2005-3-5 20:29

自己顶!!






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