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In the qualifying rounds for a race , ...

In the qualifying rounds for a race , Rusty and Date drive theif cars around a 6,000 - foot oval track . Rusty and Dale each drive 8 laps in the qualifying rounds in lanes of identical length .
Dale drives 6 laps in 90 mintues . At what average rate , in feet per hour , does Dale drive these 6 laps?

A

400

B

`5,400`

C

`10,000`

D

`24,000`

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The correct Answer is:
D
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