Carl and Mike start a 3 mile race at the same time. If Mike ran the race at 6 miles per hour and finishes the race 10 minutes before Carl, how fast does Carl run?

4.5mile per hour

Explanation:

Mike runs at 6 miles per hour.

Time = distance / speed = 3 miles / 6 miles per hour = 0.5hour,

To minutes =30 minutes.

Carl runs the race in 30 + 10minutes = 40 minutes. Converting this to hours gives us 0.666 hours.

Speed = distance / time

=3miles/ 0.666 hours = 4.50 miles per hour.

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