Question
Adam get 10 stickers for every 7 books that he reads.
He reads 21 books.
He can exchange a certain number of stickers for every 2 pens.
If Adam receives 6 pens,
how many stickers does he need to exchange for every 2 pens?
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Adam get 10 stickers for every 7 books that he reads.
He reads 21 books.
He can exchange a certain number of stickers for every 2 pens.
If Adam receives 6 pens,
how many stickers does he need to exchange for every 2 pens?