(6.5+12k) hours where k is an integer.
1275
9:30am to 5:30pm the same day is eight hours.
1360
so many hours
8 hours.
9 hours
8 hours.
9
9 hours
Nine hours.
8 hours, 45mins
Four hours and thirty minutes.
one hour
(6.5+12k) hours where k is an integer.
11hrs 30 minutes
1275