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Ruben bought 6 new books for his collection. This increased his collection by 12%. How many books did he have before his purchase?
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5 votes
Ruben bought 6 new books for his collection. This increased his collection by 12%. How many books did he have before his purchase?

User Shawn Lee
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1 Answer

6 votes
He had 50 books before.
User Hvintus
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7.4k points
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