Question
Three girls, Winnie, Jean and Cindy had a total of 2220 stamps. Some exchanges were made. First, Winnie gave Jean as many stamps as Jean had. After that, Jean gave 13 of whatever she had then to Cindy. Finally, Cindy gave 13 of whatever she had to Winnie. As a result, they each had the same number of stamps. How many stamps did Winnie have at first?
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Three girls, Winnie, Jean and Cindy had a total of 2220 stamps. Some exchanges were made. First, Winnie gave Jean as many stamps as Jean had. After that, Jean gave 13 of whatever she had then to Cindy. Finally, Cindy gave 13 of whatever she had to Winnie. As a result, they each had the same number of stamps. How many stamps did Winnie have at first?