1h = 60min
477min x 1h/60min = 7.95h = 7h 57min
0 hours are in 20 min an hour is 60 min
610 min / 60 = 10.167 hours.
8 hours, 20 minutes
2 hours
5 hours, 50 minutes
320 min = 51/3 hours = 5hours 20minutes
5.5 hours.
3 hours
2 hours
1.95 hours.
157 minutes
495 minutes.