No offense to any OCD people out there, but teeth brushing should take 5 minutes.
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20 minutes is average.
20 minutes at 60 mph.
Time = Distance/Speed So time = 9 miles / 20 mph = 9/20 hours = 60*9/20 minutes = (60/20)*9 minutes = 3*9 minutes = 27 minutes.
20 minutes
In slow walking pace, about 15 - 20 minutes.