Sagot :
[tex]method\ \#1\\\\\begin{array}{ccc}700&-&100\%\\385&-&p\%\end{array}\ \ \ \ |cross\ myltiply\\\\700p=385\times100\\700p=38500\ \ \ \ \ |divide\ both\ sides\ by\ 700\\\\p=\frac{38500}{700}\\\\p=\frac{385}{7}\\\\\boxed{p=55\ (\%)}[/tex]
[tex]method\ \#2\\\\\frac{385}{700}\times100\%=\frac{385}{7}\times1\%=55\times1\%=55\%[/tex]
[tex]method\ \#2\\\\\frac{385}{700}\times100\%=\frac{385}{7}\times1\%=55\times1\%=55\%[/tex]