Multiply the number of hours by 3600, and the number of minutes by 60. Then add everything up.
1.2 hours
60 minutes in 1 hour, so 60 x 192 minutes in 192 hours. Answer : 11 520 minutes.
8:00am is eight hours, 8:00pm is twenty hours (20:00). 12:00am is zero hours (00:00), 12:00pm is twelve hours. 12:30am is thirty minutes (00:30), 12:30pm is twelve hours and thirty minutes. 4:30am is four hours and thirty minutes, 4:30pm is sixteen hours and thirty minutes (16:30).
Passes every minute, 60 minutes in an hour, 24 hours in a day so, 60x24 = 1440 It passes the twelve 1440 times in 24 hours.
12 minutes is .2 hours
10 hours and 30 minutes.
Multiply the number of hours by 3600, and the number of minutes by 60. Then add everything up.
1.2 hours
60 minutes in 1 hour, so 60 x 192 minutes in 192 hours. Answer : 11 520 minutes.
8:00am is eight hours, 8:00pm is twenty hours (20:00). 12:00am is zero hours (00:00), 12:00pm is twelve hours. 12:30am is thirty minutes (00:30), 12:30pm is twelve hours and thirty minutes. 4:30am is four hours and thirty minutes, 4:30pm is sixteen hours and thirty minutes (16:30).
Twelve hours
12x60 is 720 mins
Passes every minute, 60 minutes in an hour, 24 hours in a day so, 60x24 = 1440 It passes the twelve 1440 times in 24 hours.
120,960 minutes.
Twelve hours and 50 minutes is: 12 hours X 60 minutes in one hour plus 50 minutes 12 X 60 = 720 720 + 50 = 770 minutes
Convert everything to hours, or everything to minutes, then multiply. In this case, it is easier to convert everything to hours - 15h30m = 15.5 hours.