10 hours and 15 minutes.
The time from 7:30 AM to 10:30 AM is a total of 3 hours.
4:00 am
10:30 to 3:30 is five hours.
From 7:30 AM to 5:00 PM, there are 9 hours and 30 minutes. To break it down, from 7:30 AM to 5:00 PM is 9 hours, plus the additional 30 minutes after 7:30 AM. Therefore, the total is 9.5 hours.
10 hours and 15 minutes.
2 hours and 30 minutes.
That's nine and one quarter hours.
It is (8.5 + 24k) hours where k is an integer.
The time from 7:30 AM to 10:30 AM is a total of 3 hours.
4:00 am
The interval 10:10 am to 5:00 pm is 6 hours and fifty minutes long.
10:30 to 3:30 is five hours.
From 7:30 AM to 5:00 PM, there are 9 hours and 30 minutes. To break it down, from 7:30 AM to 5:00 PM is 9 hours, plus the additional 30 minutes after 7:30 AM. Therefore, the total is 9.5 hours.
From 8:30 AM to 12:00 PM is 3 hours and 30 minutes. From 12:45 PM to 5:00 PM is 4 hours and 15 minutes. Adding these together, the total time is 7 hours and 45 minutes.
The time from 10:30 AM to 7:00 PM is 8 hours and 30 minutes. To break it down, from 10:30 AM to 6:30 PM is 8 hours, and then from 6:30 PM to 7:00 PM is an additional 30 minutes.
From 10:30 AM to 8:00 PM is a total of 9 hours and 30 minutes. To break it down, from 10:30 AM to 8:00 PM, you first count the hours from 10:30 AM to 8:00 PM, which is 9 hours, and then add the extra 30 minutes. Thus, the total time is 9 hours and 30 minutes.