495 minutes.
8 hours, 20 minutes
It is 15/120, which can be simplified, if required.
It is: 8.25 hours
480
8 hours and 20 minutes
It is: 6 hours and 8 minutes
480 minutes
510 minutes is 8 hours and 30 minutes.
90 min/8 hours = 90 min/480 min = 3/16
hours are between 815AM and 200PM are : 14 :00 -8 :15 =5 hr 45 min
13 hr 8 min - 4 hr 50 min = 8 hr 18 min
8 hrs 30 min