1.5 hours.
7 hours
From 9:30 AM to 6 PM is a total of 8.5 hours. If you take away one hour for lunch, that leaves you with 7.5 hours of work time.
2hrs and 30mins
24 hours
8 hours.
1.5 hours.
7 hours
7 hours and 30 minutes.
2hrs and 30mins
10 hours
24 hours
48 hours.
9 + 24k where k is an integer.
4 hours and 15 minutes.
15
It's 120 hours between 6pm Thursday until the following Tuesday at 6pm