Question
Adam gets 9 stickers for every book that he reads.
He reads 5 books.
He can exchange stickers for a pen.
If Adam receives 5 pens,
how many stickers does he need to exchange for 1 pen?
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Adam gets 9 stickers for every book that he reads.
He reads 5 books.
He can exchange stickers for a pen.
If Adam receives 5 pens,
how many stickers does he need to exchange for 1 pen?