180 minutes
320 min = 51/3 hours = 5hours 20minutes
3 hours and 39 minutes.
60 x 3 = 180 + 20 = 200
3 hours 20 minutes
3 hours 45 min
45 minutes
3 hours and 15 min
7 2/3 hours or 7 hours and 40 minutes.
3 hours 30 minutes
0 hours are in 20 min an hour is 60 min
3 hours and 45 min
60 min in 1 hr ... SO181÷60 = 3 hr (and 1 min)