There are 180 minutes in 3 hours.
3 hours and 45 minutes
240 mintues
3 hours * 60 minutes/hour = 180 minutes
3 hours and 40 mintues
3 hours times 60 minutes:3 * 60 = 180 minutes
150
21 hours.
2.1167 hours.
3 hours and fifteen mintues
90
there are 11 hours and 40 mintues :)
1.4 hours = 84 minutes