two and a half 1:30 + 1:00 = 2:30
7
10.5 + 24*k hours where k is any integer.
0:30 + 1:00 + 4:45 = 6:15 = 16:45 - 10:30 six hours 15 minutes
There are 12 hours between the 2 times. 12 hours = 12 * 60 = 720 minutes. 720 - 500 = 220 minutes.
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
(8.25 + 24k) hours, where k is any integer.
7
10.5 + 24*k hours where k is any integer.
0:30 + 1:00 + 4:45 = 6:15 = 16:45 - 10:30 six hours 15 minutes
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