a vendor sells a tool chest at $65. She makes a 30% profit on each of the tool chests. How much does she pay the manufacturer for each tool set?
a vendor sells a tool chest at $65.
She makes a 30% profit on each of the tool chests.
How much does she pay the manufacturer for each tool set?
\(\begin{array}{|rcll|} \hline $ 65 &=& $65 \cdot 100\ \% \\ $ 65 &=& $65 \cdot (30\ \% + 70\ \%) \\ $ 65 &=& \underbrace{$65 \cdot 30\ \%}_{\text{profit}} + \underbrace{ $65 \cdot 70\ \% }_{\text{manufacturer}} \\ \hline \end{array}\)
\(\begin{array}{rcll} \text{manufacturer} &=& $65 \cdot 70\ \%\\ &=& $65 \cdot 0.7 \\ &=& $45.5 \\ \end{array}\)
\(\begin{array}{rcll} \text{profit} &=& $65 \cdot 30\ \%\\ &=& $65 \cdot 0.3 \\ &=& $19.5 \\ \end{array}\)
\(\begin{array}{|rcll|} \hline $ 65 &=& \underbrace{$19.5}_{\text{profit}} + \underbrace{ $45.5 }_{\text{manufacturer}} \\ \hline \end{array}\)