610040892 610040892
  • 18-08-2016
  • Mathematics
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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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sophiie123 sophiie123
  • 18-08-2016
hi, so first u have to multiple 12×6=72 then next u divide by 2 which must five u a food start
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