Question
Zoe has 2 times as many pens as Betty. Betty has 34 as many pens as Cindy. If the three of them have a total of 78 pens, how many pens does Zoe have?
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Zoe has 2 times as many pens as Betty. Betty has 34 as many pens as Cindy. If the three of them have a total of 78 pens, how many pens does Zoe have?