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posted by MANN on Tuesday, September 27, 2011 at 12:41pm.

IF A RUNNER RUNS THE 100 METER DASH IN APPROXIMATELY 9.7 SEC, WHAT IS THE AVERAGE SPEED OF THE RUNNER IN MPH?

V=100m/9.7s * 3600s/h *(1/1600)mi/m = 23.2mi/h.

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