13 hours 50 minutes.
18.5 hours @70 mph
About 6 hours 47 minutes at a constant 70 mph.
About 3 hours 23 minutes at a constant 70 mph.
25 mi / 70 mph = .357 hr = 21.43 minutes.
1 hour, 5 minutes, 9 seconds at 70 mph
About 51 seconds.
43 minutes.
3.26 hours.
2.57hours..
2100/70 = 30 hours
450 / 70 = 6.429 hours (rounded)
Divide 558 by 70.