Rich ran a 24-mile marathon in 3 hours and 36 minutes. On average, how long, in minutes, did it take Rich to run a mile during the race? Think carefully first, then make a decision:
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3 hours is 3 * 60 = 180 minutes. Thus 3 hours and 36 minutes is 180 + 36 = 216 minutes. Thus, he ran the 24 miles in 216 minutes, and each mile took 216 / 24 = 9 minutes for Rich to run. So, the answer is 9.
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