68/70 = 0.91429 hour (rounded) = 58minutes 17.143seconds (rounded)
Distance = rate * time. (55 miles/hour) * (4 hours) = 220 miles
3.47 hours.
65 miles per hour x 4 hours = 260 miles
130 miles.
60 miles.
40 miles.
54 miles per hour.
About 47 minutes.
It takes 25 hours!
70 miles/hour * 7 hours = 490 miles
4400 miles ( are you serious? )
Up to 195 miles.