7 2/3 hours or 7 hours and 40 minutes.
60 minutes = 1 hour 460 minutes = 460 ÷ 60 = 72/3 hours.
0 hours are in 20 min an hour is 60 min
610 min / 60 = 10.167 hours.
8 hours, 20 minutes
roughly 7.66 hours
4 hours and 40 minutes
2 hours
5 hours, 50 minutes
320 min = 51/3 hours = 5hours 20minutes
5.5 hours.
3 hours
2 hours