6.6 hours
.
60 x 6 = 360
396 - 360 = 36
36/60 = 6/10 = 0.6
60 minutes=1 hourso you take 396/60 to get 6.6 hours.
0 hours are in 20 min an hour is 60 min
610 min / 60 = 10.167 hours.
8 hours, 20 minutes
Divide the distance (396 miles) by an average speed (for example: 45 mph) = 8.8 hours
2 hours
5 hours, 50 minutes
320 min = 51/3 hours = 5hours 20minutes
3 hours
1.95 hours.
2 hours
5.5 hours.