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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
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?
答案：B
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