Question
Adam get 6 stickers for every 5 books that he reads.
He reads 15 books.
He can exchange a certain number of stickers for 1 pen.
If Adam receives 9 pens,
how many stickers does he need to exchange for 1 pen?
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Adam get 6 stickers for every 5 books that he reads.
He reads 15 books.
He can exchange a certain number of stickers for 1 pen.
If Adam receives 9 pens,
how many stickers does he need to exchange for 1 pen?