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Ruben bought six new books for his collection this increased his collection by 12% how many books did he have before his purchases

Ruben bought six new books for his collection this increased his collection by 12% how many books did he have before his purchases
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4 votes
Ruben bought six new books for his collection this increased his collection by 12% how many books did he have before his purchases

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User Jared Updike
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7.7k points

1 Answer

4 votes

1.12 * x = x + 6\\\\1.12x -x = 6\\\\0.12x = 6\\\\x=50

So, before his purchase he had 50 books.
answered
User Fedepaol
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8.0k points
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