337
18½ hours
eight and a half 15:30 - 07:00 = 08:30
It is 4 hours.
18½ hours
15:30 - 07:00 = 8:30 8:30 x 3 = 25:30 Answer: twenty-five and a half
9 hours and 30 minutes.
5 and a half
7am to 4pm is 9 hours.
7am to 4:30am is 21 hours. 7am to 4:30pm is 9 hours.
7
8pm to 7am is 11 hours.