Question

Jazz music accounts for 13% of iTunes sales if they plan to sell 720,000 albums how many will be of jazz music

Answer 1

well, it'll just be 13% of 720,000

`\begin{array} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{13\% of 720000}}{\left( \cfrac{13}{100} \right)720000}\implies 93600`