3 hours
3 pm is 15 hours, so 15-3 1/2 = 11 1/2 hours or 11:30 hours
9 am to 12 pm: 3 hours 12 pm to 2:30 pm: 2 1/2 hours 3 + 2 1/2 = 5 1/2 hours. So there are 5 1/2 hours between 9 am and 2:30 pm.
16 hours(11 pm, 12 midnight, 1 am, 2 am, 3 am, 4 am. 5 am, 6 am, 7 am, 8 am, 9 am, 10 am, 11 am 12 noon, 1 pm, 2 pm, 3 pm.)
Assuming 9:30am to 1:30pm or pm to am, 4 hours, if am to am or pm to pm, it is 20 hours.
1:45 PM to 3:18 PM is 1 hour and 38 minutes.
10 - 3 = 7 hours.
9 - 1 = 8 24 - 8 = 16 Answer: 16 hours as in 3 + 12 + 1 = 16 3 hours to midnight then 12 hours to noon then 1 hour to 1pm
PM starts at noon. That's 3 and 1/2 hours from 8:30.
3 hours
twenty-one4 - 1 = 324 - 3 = 21or8 + 12 + 1 = 21
4 hours, 20 minutes 4 and 1/3 hours