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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 purchases.
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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 purchases.

User Spoody
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hi, so first u have to multiple 12×6=72 then next u divide by 2 which must five u a food start
User Sway
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