eleven
18:00 - 07:00 = 11:00
24*k - 11 hours where k is any integer.
13 hours.
7 hours, 22 minutes
7 hours and 30 minutes.
Seven hours !
From 7 a.m. to 1:30 p.m. there are 6 hours and 30 minutes.
7:45 am to 6:15 pm is 10 hours 15 minutes (101/4 hours)
From 7 a.m. to 1:30 p.m. there are 6 hours and 30 minutes.
7 and a half hours
12 pm, 1 pm, 2 pm, 3 pm, 4 pm, 5 pm, 6 pm, 7 pm, 8 pm. 8 hours.
7 hours and 30 minutes
19
10 - 3 = 7 hours.