That is 8 hours and 30 minutes exactly.
(20 hours 30 minutes) - (5 hours 45 minutes) = 14 hours 45 minutes.
2.5 hours 2 hours 30 minutes 150 minutes Two and half hours.
1 hour = 60 minutes 2 hours = 120 minutes 3 hours = 180 minutes . . . 10 hours = 600 minutes 10 hours + 30 minutes = 630 minutes
3 hours 30 minutes = 3.5 hours
2 hours 30 minutes
7 hours and 30 minutes is 7.5 hours.
7 hours 12 minutes - 3 hours 30 minutes = 3 hours 42 minutes
12 hours 30 minutes
That is 8 hours and 30 minutes exactly.
(20 hours 30 minutes) - (5 hours 45 minutes) = 14 hours 45 minutes.
2.5 hours 2 hours 30 minutes 150 minutes Two and half hours.
1 hour = 60 minutes 2 hours = 120 minutes 3 hours = 180 minutes . . . 10 hours = 600 minutes 10 hours + 30 minutes = 630 minutes
3 hours 30 minutes = 3.5 hours
1 hour = 60 minutes 2 hours = 2 x 60 = 120 minutes 2 hours and 30 minutes = 120 + 30 = 150 minutes
There are 210 minutes in 3 hours and 30 minutes, since there are 60 minutes in an hour.
(6 hours 30 minutes) + (55 minutes) = 7 hours 25 minutes