9 hours and 30 minutes.
18½ hours
It is 4 hours.
18½ hours
5 and a half
From 6am to 5pm is 11 hours.
6am to 5pm is 11 hours.
7
Eight and one half hours.
6am to 6pm is 12 hours. 6pm to 8pm is 2 hours. 12+2=14 6am to 8pm is 14 hours
4 hours
9 hours
4