Question

Find th percent in the fastest way. 6 1/4% of $3872

Answer 1

keeping in mind that 6¼ is just 6 + ¼ or 6 + 0.25 or just 6.25

`\begin{array}c \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{6.25\% of 3872}}{\left( \cfrac{6.25}{100} \right)3872}\implies 242`