There are: 30 times 60 = 1800 minutes
2.5 hours 2 hours 30 minutes 150 minutes Two and half hours.
15 hours and 30 minutes.
It is 6 hours and 30 minutes. It is 390 minutes. It is 23400 seconds.
8hours 15 minutes
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.
7 hours and 30 minutes.
(20 hours 30 minutes) - (5 hours 45 minutes) = 14 hours 45 minutes.
1 hour = 60 minutes 2 hours = 120 minutes 3 hours = 180 minutes . . . 10 hours = 600 minutes 10 hours + 30 minutes = 630 minutes