human
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?
assistant
How many minutes did John run the race in? ** He runs the race in 5/15=1/3 of an hour
How many minutes did John run the race in? ** So he runs the race in 60/3=<<60/3=20>>20 minutes
How many minutes did he win the race by? ** That means he beat the next fastest guy by 23-20=<<23-20=3>>3 minutes
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