Question

Raina went for a drive in her new car. She drove at a speed of 54 miles per hour for 86.4 miles. For how many hours did she drive? hours

Answer 1

Speed is represented by the following expression:

$\begin{gathered} \text{Speed}=\frac{\text{distance}}{\text{hours}} \\ 54=\frac{86.4}{h} \\ h=\frac{86.4}{54} \\ h=1.6 \end{gathered}$

She drove her car for 1.6 hours.