120/3 = 40 miles per hour. So it will take 1 hour to go 40 miles.
83/40 = 2.075 hours
It would take just over six hours.
40 miles
64.15 hours
3 hours 40 minutes.
7 hours 15 minutes.
3 hours 40 minutes.
10 hours and 40 minutes
11 hours 40 minutes at 60 mph
9 hours 40 minutes at 60 mph
31 hours 40 minutes at 60 mph