题目内容
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题目材料:
Three Types of Electronic Units in Stock and Sold by Stores R, S, and T Last Month
Number of Units in Stock
Number of Units Sold as a Percent of Number of Units in Stock
The total number of GPSs in stock last month in Stores R and T was what fraction of the total number of GPSs in stock last month in all three stores?
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A$$\frac{1}{2}$$
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B$$\frac{2}{3}$$
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C$$\frac{7}{9}$$
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D$$\frac{4}{5}$$
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E$$\frac{8}{9}$$
B显示答案