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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

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Speed is represented by the following expression:


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

She drove her car for 1.6 hours.

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