Anonym Anonym
  • 03-09-2014
  • Mathematics
Answered

30% of a number is one-thirtieth of x, find the initial expression as a fraction of x



Answer :

luana
luana luana
  • 03-09-2014
[tex]30\%=\frac{1}{30}x\\\\0.3=\frac{1}{30}x\\\\\frac{3}{10}=\frac{1}{30}x\ \ \ \ \ |\cdot30\\\\x=9\\As\ a\ fraction\ \frac{9}{30}[/tex]
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