Question

Taylor wants to purchase an $80 purse.

Answer 1

`\cfrac{1}{5}\cdot 80\implies 16\hspace{18em}\underset{ sale~price }{\stackrel{80~~ - ~~16 }{\text{\LARGE 64}}}\textit{\LARGE \checkmark} \\\\[-0.35em] ~\dotfill`

`\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{10\% of 80}}{\left( \cfrac{10}{100} \right)80}\implies 8\hspace{5em}\underset{ sale~price }{\stackrel{80~~ - ~~8 }{\text{\LARGE 72}}} \\\\[-0.35em] ~\dotfill\\\\ ~\hspace{23em}\underset{ sale~price }{\stackrel{80~~ - ~~15 }{\text{\LARGE 65}}}`

Answer 2

Shop A has the best price for the purse for $64

This is as
Shop A take $16 off the $80 ($64)
80/5 = 16
Shop B takes $8 off the $80 ($72)
10% = $8
Shop C takes $12 off the $80 ( $65)