8.5 hours
72 hours
From 6am to 5pm is 11 hours.
11am to 12 is 1 hour 12 to 5pm is 5 hours → 11am to 5pm is 1 + 5 = 6 hours
Three hours
Four hours exactly !
48 hours.
72 hours
From 6am to 5pm is 11 hours.
11am to 12 is 1 hour 12 to 5pm is 5 hours → 11am to 5pm is 1 + 5 = 6 hours
2 hours
13 hours
9 hours.
7 hours
7.5 hours
6 hours.
Three hours
3 hours.