If you were driving 65 miles per hour how long will it take you to drive 310 miles?
355 miles/65 miles/hour = 5.462 hours
4 hours to drive 220 miles at 55 miles per hour.
If you drive at 75 miles per hour, then you cover 75 miles in one hour.
Well, let's see . . . If you can drive 200 miles in each hour, then it should take you 1 hour to drive 200 miles.
1 hour 36 minutes.
one hour if you are going ninty miles per hour
1 hour 4 minutes.
1 hour 43.5 minutes.