8 hrs
400 / 13 = 30 hours and 48 minutes
It takes 22 minutes 12 seconds to fly 148 miles at 400 miles per hour.
400 miles
5.71428571429 hours
It will take: 5 hours and 20 minutes
(400 miles/trip) x (1 hour / 70 miles) = (400/70) (miles-hour / trip-miles) = 5.7143 hours = 5 hours 43 minutes, with no stops.
It would take you 8 hours to drive 400 miles traveling at 50 mi/h because 400 / 50 is 8. HOpe this helps!
5hours 42minutes 51.43seconds (rounded)
8 hours and 53 minutes
5 hours 33 minutes.
Divide the distance by the speed.