4 hours and 30 minutes.
6 hours.
If one is am and the other is pm, there are 7 hours in this period. If they are both am or pm, there are 5 hours in this period.
3 hours.
There are seven hours between 730 am and 230 pm. 0.5 + 4 + 2.5 = 7 [1/2 hour to 8 then 4 hours to 12 and 2.5 hours to 2:30] or 14:30 - 7:30 = 7 [14:30 on 24 hour clock is 2:30pm]
3 hours.
2.5 hours
5 and 1/2
6 and 1/2
7 hours + 1 hour lunch break - 230 Hours = 222 Hours.
7 and a half hours
7 hours and 30 minutes
7 pm to 7 am is 12 hours 7 am to 8 am is 1 hours → 7 pm to 8 am is 12 + 1 = 13 hours.