Question

The sales tax rate for a local county is 8.5%. If an item costs $194 (before tax), how much sales tax will be due? Round answer to the nearest penny

Answer 1

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{8.5\% of 194}}{\left( \cfrac{8.5}{100} \right)194}\implies 16.49$