7 hours and 30 minutes.
6 hours 30 minutes
6 hours and 30 minutes.
0:30 + 1:00 + 4:45 = 6:15 = 16:45 - 10:30 six hours 15 minutes
6
2 hours.
6 hours.
There are 10 + 24n hours where n is an integer
There are 14 hours between 6 am and 8 pm.
Two hours.
From 6:00 am to 3:00 pm is 9 hours.
58
5.75