0
Anonymous
15 hours.
6 hours from 4pm to 10pm
7am to 4pm is 9 hours.
733
6.5 + 24k hours where k is any integer.
8 hours 30 minutes.
12am to 4pm is 16 hours.
1075
It is 8 hours and 38 minutes.
6 and 1/2 hours
6 hours 50 minutes
It 21 hours
9.5