6 hours 30 minutes
From 12 PM to 10:30 PM is a duration of 10 hours and 30 minutes. This can be calculated by counting the hours from 12 PM to 10 PM (which is 10 hours) and then adding the additional 30 minutes.
two and a half 1:30 + 1:00 = 2:30
7
0:30 + 1:00 + 4:45 = 6:15 = 16:45 - 10:30 six hours 15 minutes
10.5 + 24*k hours where k is any integer.
6 hours and 30 minutes.
8 hours and 30 minutes.
13 hours and 15 minutes.
It is 3 and a half hours
two and a half 1:30 + 1:00 = 2:30
8 and 1/2
7
0:30 + 1:00 + 4:45 = 6:15 = 16:45 - 10:30 six hours 15 minutes
10.5 + 24*k hours where k is any integer.
nine 19:30 - 10:30 = 09:00 01:30 + 07:30 = 09:00
fourteen and a half hours 4:00 + 10:30 = 14:30 as 12 - 8 = 4 then 12 to 10:30 is 10:30
6:15am to 5pm is 10 hours and 45 minutes.