8 and 1/2
945 pm to midnight is 2 hours, 15 minutes. Midnight to 830 am is 8 hours, 30 minutes. The total is 10 hours, 45 minutes.
91/2 , IF they're both on the same day.
8:30 to 5 is 8 and 1/2 hours no matter what you do for lunch.
9:45 pm to midnight is 2 hours and 15 minutes Midnight to 8:30 am is 8 hours and 30 minutes Hence the total is 10 hours and 45 minutes = 10 and 3/4 or 10.75 hours
It is 9.5+24*n hours where n is an integer.
7
6 hours.
7.5 hours
7.5 hours
It is five hours.
From 8:30 AM to 5:00 PM is a total of 8 hours and 30 minutes. This can be calculated by counting the hours from 8:30 AM to 5:00 PM, which is 8 hours, plus the additional 30 minutes.
13.5
8 hours and 55 minutes.
4 hours and 35 minutes.
8:30 AM to 1:00 PM is four and a half hours.
5 hrs, 15 mins
945 pm to midnight is 2 hours, 15 minutes. Midnight to 830 am is 8 hours, 30 minutes. The total is 10 hours, 45 minutes.