8 hours.
1.5 hours.
7 hours and 30 minutes.
2hrs and 30mins
9 + 24k where k is an integer.
4 hours and 15 minutes.
7 and a half
71/2 hours IF they're both in the same day.
9 hours and 30 minutes.
(20.75 - 9.5) hrs = 11.25 hrs = 11 hrs and 15 min
430 miles is a 5 hour and 32 minute
8