8.30
72 hours
From 6am to 5pm is 11 hours.
11am to 12 is 1 hour 12 to 5pm is 5 hours → 11am to 5pm is 1 + 5 = 6 hours
8.5 hours
9 hours.
9
9 - 5 = 4 hours
14 Hours.
9
32 is.
8am to 5pm is 9 hours, deduct 1 hour for lunch = 8 hours. If they're both in the same day, then 8am to 5pm is a span of 9 hours, regardless of how you choose to use them.
From 9:20am to 5pm is 7 hours and 40 minutes.
Assuming 8am and 5pm refer to the same day!Use the 24 hour clock 8am = 0800 hours, 5pm = 1700 hours 1700-0800=900 = 9 hours.
8.30
72 hours
48 hours.