8:30 minus 60 minutes is 7:30
830 minutes minus 60 minutes is 770 minutes.
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60 minutes is one hour and you have 1 hr and 45 minutes = 105 minutes
945 pm to midnight is 2 hours, 15 minutes. Midnight to 830 am is 8 hours, 30 minutes. The total is 10 hours, 45 minutes.
Eight hours.
60 - 15 = 45
it would be 10 hours 15 minutes! 3 hours plus 6 hours is 9 hours 25 minutes plus 50 minutes is 75 minutes, there are 60 minutes in an hour so you have to take 75 minus 60 which leaves you with 15, add the hour onto the 9 hours, gives you 10 hours 15 minutes.