Question

A pillow was $9. 99 with a tax of 6. 75%. What is the total cost?

Answer 1

`\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{6.75\% of 9.99}}{\left( \cfrac{6.75}{100} \right)9.99} ~~ \approx ~~ 0.67~\hfill~\underset{ total~cost }{\stackrel{ 9.99~~ + ~~0.67 }{\approx\text{\LARGE 10.66}}}`