5 and a half
18½ hours
17 hours
18½ hours
It is 4 hours.
9 hours and 30 minutes.
7
Eight and one half hours.
8 hours, 10 minutes
I presume you mean 10:00am to 10:00pm. That would be 12.
1230
10:30 to 3:30 is five hours.
337