mkbrewster11 mkbrewster11
  • 18-12-2014
  • Mathematics
Answered

Ruben bought 6 new books for his collection. This increased his collection by 12%. How many books does he have now?



Answer :

konrad509
konrad509 konrad509
  • 18-12-2014
[tex]x+6=x+0.12x\\ 0.12x=6\\ x=50\\ 50+6=\boxed{56}[/tex]
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