Q: John manages to run 15 mph for his whole 5-mile race.  The next fastest guy ran the race in 23 minutes.  How many minutes did he win the race by?
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A: He runs the race in 5/15=1/3 of an hour
So he runs the race in 60/3=<<60/3=20>>20 minutes
That means he beat the next fastest guy by 23-20=<<23-20=3>>3 minutes The answer is  3.
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