[tex]\begin{gathered} \text{Earned = \$55.50} \\ \text{Time}=5\text{ hours} \\ \text{Unit rate =}\frac{\text{Earned}}{\text{Time}}=\frac{\text{\$55.50}}{5\text{ hours}}=\text{ \$11.10per hour} \\ \text{The unit rate is \$11.10 per hour} \end{gathered}[/tex]
