Question: Jeannie hikes the 12 miles to Mount Overlook at a pace of 4 miles per hour, and then returns at a pace of 6 miles per hour. How long did her hike take, in hours? Think carefully first, then make a decision:
Up, took 12 / 4 = 3 hours. Down, took 12 / 6 = 2 hours. Total time was 3 + 2 = 5 hours. So the answer is 5.