Question
Gwen and Lynn have some pens. If Gwen gives 13 pens to Lynn, Lynn will have 4 times the number of pens as Gwen. If Lynn gives 11 pens to Gwen, Gwen will have 12 as many pens as Lynn. How many pens does Gwen have at first?
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Gwen and Lynn have some pens. If Gwen gives 13 pens to Lynn, Lynn will have 4 times the number of pens as Gwen. If Lynn gives 11 pens to Gwen, Gwen will have 12 as many pens as Lynn. How many pens does Gwen have at first?