18 hours
At 1 mile per hour it is 55 hours, at 2 miles an hour it is 27.5 hours at 5 miles an hour it is 11 hours at 55 miles an hour it is 1 hour at 60 miles an hour it is 55/60 hour or 55 minutes at 120 miles an hour it is 27.5 minutes at 550 miles an hour it is 6 minutes etc
at 60 miles per hour it is 21.25 hours
65 miles per hour x 4 hours = 260 miles
9.04 hours
At 60 miles per hour, six hours. At 30 miles per hour, twelve hours.
1 hour at 14 miles per hour. 2 hours at 7 miles per hour.
18 hours
Distance = rate * time. (55 miles/hour) * (4 hours) = 220 miles
At 1 mile per hour it is 55 hours, at 2 miles an hour it is 27.5 hours at 5 miles an hour it is 11 hours at 55 miles an hour it is 1 hour at 60 miles an hour it is 55/60 hour or 55 minutes at 120 miles an hour it is 27.5 minutes at 550 miles an hour it is 6 minutes etc
70 miles/hour * 7 hours = 490 miles
6.25 hours at 65 miles per hour = 406.25 miles
3.75 miles an hour.
11.386 hours.
at 60 miles per hour it is 21.25 hours
0.0833... hours.
miles per hour * 7 60mph * 7 hours = 420 miles