4
there are 7 hours between 9-4
222 hours is 9 days 6 hours.
9:30am to 2pm is 4 hours and 30 minutes. 9:30am to 2am is 16 hours and 30 minutes. 9:30pm to 2am is 4 hours and 30 minutes. 9:30pm to 2pm is 16 hours and 30 minutes.
The prime factors of 1230 are: 2 x 3 x 5 x 41
From 9:55 to 12:30 is 2 hours and 35 minutes.
20.5 hours.
Four
It is 4 hours.
201/2 hours exactly.
1960
14 hours, and 30 minutes
It is 4 hours and 15 minutes.
6 hours and 30 minutes
3.416666 repeating hours 3 hours, 25 minutes
8 hours.
1230