Question
Olivia has 4 times as many pens as Irene. Irene has 47 as many pens as Sarah. If the three of them have a total of 243 pens, how many pens does Sarah have?
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Olivia has 4 times as many pens as Irene. Irene has 47 as many pens as Sarah. If the three of them have a total of 243 pens, how many pens does Sarah have?