Braniac Braniac

22-10-2014
Mathematics

contestada

Find the percent of change,Round to the nearest whole percent:
Original:54
New:45

Respuesta :

mariamikayla mariamikayla

22-10-2014

[tex]p\% \ of \ 54=45 \\\\ \frac{p}{100}*54=45 \\\\ \frac{p}{50}*27=45 \\\\ \frac{p}{50}=\frac{45}{27} \\\\ p=\frac{45*50}{27} \\\\ p=\frac{5*50}{3} \\\\ p=\frac{250}{3} \\\\ \boxed{p=83.3\% \approx 83\%}[/tex]

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