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cutiepie22 cutiepie22
  • 30-10-2015
  • Mathematics
Answered

What percent of 8x is 5x?

Verified Answer :

Anonymous Anonymous
  • 30-10-2015

\(\#1\ method:\\\\\dfrac{5x}{8x}=\dfrac{5}{8}=\dfrac{5}{8}\cdot100\%=\dfrac{500}{8}\%=\dfrac{125}{2}\%=\boxed{62.5\%}\)

\(\#2\ method:\\\\ \begin{array}{ccc}8x&-&100\%\\5x&-&p\%\end{array}\ \ \ |cross\ multiply\\\\8xp=100\cdot5x\ \ \ |divide\ both\ sides\ by\ "x" eq0\\\\8p=500\ \ \ |divide\ both\ sides\ by\ 8\\\\\boxed{p=62.5\ (\%)}\)

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