18
10:30 - 4:30 = 6
and 24 - 6 = 18
or 1:30 + 12:00 + 4:30 = 18:00
from 10:30 to 12:00 to 00:00 to 4:30
4 + 24k where k is any integer.
430 miles is a 5 hour and 32 minute
(8.5+24k) hours where k is an integer.
Eight hours.
I believe 4 hours and 30 minutes.
9.5
8
9 hours and 30 minutes.
7 hours
4 + 24k where k is any integer.
5.5
430 miles is a 5 hour and 32 minute
4 hours and 45 minutes.
74 hours.
It is 3:45.
5.5
7.5 hours.