Thirty-one hours is equivalent to 1 day and 7 hours. This is calculated by noting that one day consists of 24 hours, so subtracting 24 from 31 leaves 7 hours. Therefore, the total time spans just over a day.
271 = (4 x 60) + 31 Answer: 4 hours 31 minutes
5 hours and 31 minutes.
31-32 hours
9 hours 31 minutes
8 Hours and 31 Minutes.
22 hours 31 minutes
4 hours 31 minutes
Three hours and 31 minutes.
2 hours and 31 minutes
31 hours
between 30 and 31 hours
9 hours 31 minutes.