7.5 hours.
8:30 to 5 is 8 and 1/2 hours no matter what you do for lunch.
8 hrs 30 min
5 hrs, 15 mins
9 to 5 is 8 hours. If you subtract the lunch break, you get 7 hours, 30 minutes.
11 hours 25 minutes
8 hours 30 minutes excluding the half-hour lunch.
Anyone who works about 6 - 12 hours a day should have a min of 30 min break which in most cases is divided by two. (that will make two 15 min breaks in 6-12h period) Big companies will give you an hour lunch (that might not be paid by the employer) plus one or two 15 min breaks. It all depends where you work, but the minimum time limit for break/s for 8 hours of work is 30 min.
about 15 min
0 hours are in 20 min an hour is 60 min
2 fifteen min brakes
8 hours, 20 minutes