How long would it take to drive 120 miles at 60 miles per hour?
How long would it take to drive 120 miles at 60 miles per hour? It took Joe 2 hours to drive 120 miles at 60 mph, and it took 3 hours at 40 mph, giving us a total time of 5 hours. In the steps above we calculated total distance (120 miles + 120 miles = 240 miles), and we just found total time (5 hours). How long would it take to drive 120 miles at 75 mph? How long will it take to drive 120 miles going 75 mph? - Quora. If the speed limit is 60 you will...