She will go 420 miles.
57*4 = 228 miles
Time = Distance/Speed = 300 miles/60 mph = 5 hours
At 60 mph, it will take 5 hours. Faster, shorter. Slower, longer.
far
55 miles each hour for 6 hours. 55 x 6 = 330 miles.
2 hours at 60 mph.
1,998 miles.
2.33 miles in 20 minutes at 7.0 mph
1.75 miles.
30 miles.
55 miles.
385 miles