RaquelB
RaquelB RaquelB
  • 16-12-2014
  • Mathematics
Answered

Ofelia has a certain amount of money. If she spends $12 , then she has 1/5 of the original amount left. How much money did Ofelia have originally?



Answer :

luana
luana luana
  • 17-12-2014
[tex]x-original\ amount\\\\x-12=\frac{1}{5}x\\\frac{5}{5}x-\frac{1}{5}x=12\\\frac{4}{5}x=12\ \ \ \ \ |\cdot\frac{5}{4}\\x=15\\\\She\ had\ \$15\ originally[/tex]
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