Dana has
4 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the race and walking back the same distance to cool down. If she runs at a speed of 8 mph and walks back at a speed of 2 mph, how long should she plan to spend walking back?

Question

Dana has 
4 hours to spend training for an upcoming race.  She completes her training by running full speed the distance of the race and walking back the same distance to cool down.  If she runs at a speed of 8 mph and walks back at a speed of 2 mph, how long should she plan to spend walking back?

wckeller · Answer

8mph * 4hrs = a distance of 32 miles
32mi/2mph = 16hrs

It will take her 16hrs to walk back at a speed of 2mph