Question

Find the selling price of a $10 item after a 40% markup.

The selling price is $

Answer 1

`\begin{array}ll \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{40\% of 10}}{\left( \cfrac{40}{100} \right)10}\implies 4~\hfill \underset{ selling~price }{\stackrel{ 10~~ + ~~4 }{\text{\LARGE 14}}}`