Limousine rent

Hana rented a limousine for prom. There was a one-time charge of $100 plus an hourly rate of $45. Her total cost for the night was $347.50. How many hours did Hana rent the limo for?

Result

t = 5:30 h

Step-by-step explanation:

$$\begin{gathered} 347.50=100+45\cdot t \\ 45t=247.5 \\ t=\frac{247.5}{45}=5.5 \\ t=\frac{11}{2}=5.5=5:30\text{h} \end{gathered}$$

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