Remember, it's 70 miles per hour, which means that in 2 hours time, you will have driven 140 miles. So going a distance of 150 miles will take 2 hours 8 minutes, and 34 seconds.
At 20 mph how long would it take to drive one mile?
Speed = distance / time.15 mph = 1 / time.time = 4 minutes.
Time = Distance/Speed = 2100 miles / 85 mph = 24.71 hours.
About a mile and half drive.
45 seconds.
About 3 hours for the 180 mile drive.
Time = Distance/Speed = 162/80 = 2.025 hours = 2 hours 1.5 minutes.
Time = Distance/Speed = 1/30 hours = 2 minutes
Time = Distance/Speed = 187/50 = 3.74 hours = 3 hours 44.4 minutes
Divide the distance by the rate.
About 51 seconds.
That depends on how fast you go.