Given:
Cost of a meal is $162.
Brody received a $15.00 tip
Let 'x' be the percent of the meal cost was the tip.
[tex]\begin{gathered} 15=162\times\frac{x}{100} \\ \frac{15\times100}{162}=x \\ x=9.26 \end{gathered}[/tex]9% of the meal cost was the tip.