Question
Three girls, Penelope, Julie and Wendy had a total of 1440 pens. Some exchanges were made. First, Penelope gave Julie as many pens as Julie had. After that, Julie gave 13 of whatever she had then to Wendy. Finally, Wendy gave 14 of whatever she had to Penelope. As a result, they each had the same number of pens. How many pens did Penelope have at first?
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Three girls, Penelope, Julie and Wendy had a total of 1440 pens. Some exchanges were made. First, Penelope gave Julie as many pens as Julie had. After that, Julie gave 13 of whatever she had then to Wendy. Finally, Wendy gave 14 of whatever she had to Penelope. As a result, they each had the same number of pens. How many pens did Penelope have at first?