300 minutes
300 minutes 5 hours x 60 minutes per hour = 300 minutes
You have to have twelve 5minutes to make a 1 hour.
330 min
There are 12.5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60.1 2 3 4 5 6 7 8 9 10 11 12.
1 quarter hour is 15 minutes. So 5 quarter hours would be 75 minutes. 5x15=75