7 h. 30 min.
3 hours 30 minutes = 3.5 hours
2.5 hours
III hours, XXX minutes
6hrs and 30 minutes
450 minutes.
5.5 hours. (30 minutes is half an hour, expressed as 0.5hrs, or every 0.1hrs is 6.0min.)
It is: 3 and 1/2 hours
7 1/2 hrs or 7.5 hrs. or 7 hours 30 minutes.
You can write 2.5 hours. This is the same as 25/10 hours. 1/10 of an hour is 6 minutes so 5/10 is 30 minutes. 2.5 hours is the same as writing 2hours 30 minutes. 3.75 hours = 3 hours 45 minutes 1.25 hours = 1 hour 15 minutes etc etc
2 hours 30 minutes
4
7 hours and 30 minutes is 7.5 hours.