<human>:  The town is having a race to see who can run around the town square 7 times the fastest. The town square is 3/4 of a mile long. The winner finishes the race in 42 minutes. Last year's winner finished in 47.25 minutes. How many minutes on average faster did this year's winner run one mile of the race compared to last year?
<bot>: How many miles is the race? ** The race is 5.25 miles long because 7 x .75 = <<7*.75=5.25>>5.25
How many minutes did it take to run a mile? ** They ran a mile in 8 minutes because 42 / 5.25 = <<42/5.25=8>>8
How many minutes did last year's winner run a mile? ** Last year's winner ran a mile in 9 minutes because 47.25 / 5.25 = <<47.25/5.25=9>>9
How many minutes on average faster did this year's winner run one mile of the race compared to last year? ** They ran 1 minute faster per mile compared to last year's winner.
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