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.
5.75
6 hours and 30 minutes
3 hours and 12 minutes.
60 hours elapse between 6 PM on Friday and 6 AM on Monday.
12