If they're both in the same day, then it's 71/4 hours.
1730
9 am to 4:15 pm is approximately 7 hours and 15 minutes.
17.1667 hrs
6 hours 30 minutes
7.25
8 hours and 15 minutes.
If they're both in the same day, then it's 71/4 hours.
8 hours.
1730
9 am to 4:15 pm is approximately 7 hours and 15 minutes.
17.1667 hrs
13 hours and 15 minutes.
6 hours 30 minutes
12 hours and 30 minutes.
6 hours and 30 minutes.
3 hours and 30 minutes.