Eight and one half hours.
6 hr.
337
830 930 1030 1130 1230 130 230 330 7 hours
18½ hours
15:30 - 07:00 = 8:30 8:30 x 3 = 25:30 Answer: twenty-five and a half
It is 4 hours.
18½ hours
5 and a half
7
9 hours and 30 minutes.
24