SOLUTION: Joe ran up a path to the top of a hill at an average speed of 2 mph and ran down the same path at an average speed of 8 mph. If Joe ran up and down the hill in 1 hour, what was the

Question 319074: Joe ran up a path to the top of a hill at an average speed of 2 mph and ran down the same path at an average speed of 8 mph. If Joe ran up and down the hill in 1 hour, what was the total distance that he ran, in miles?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
D=RT
D=2T
UP THE HILL.
D=8(1-T) DOWN THE HILL.
2T=8(1-T)
2T=8-8T
2T+8T=8
10T=8
T=8/10=.8 HOURS FOR THE RUN UP THE HILL.
1-.8=.2 HOURS FOR THE RUN DOWN THE HILL.
PROOF:
2*.8=8*.2
1.6=1.6
1.6+1.6=3.2 MILES IS THE TOTAL DISTANCE UP & DOWN.

RELATED QUESTIONS
What is the average speed of a cyclist who bikes up a hill at 6mph but then bikes back... (answered by josmiceli)

What is the average speed of a cyclist who bikes up a hill at 6mph but then bikes back... (answered by Alan3354)

gregory hiked from the base of a mountain to its top at an average rate of 2 miles per... (answered by ikleyn)

A girl goes up a ski lift at a speed of 4 MPH and skis down the slope at a speed of 24... (answered by nerdybill)

Type your question here:a car travels up a hill at an average speed of 50 miles an hours. (answered by richwmiller)

Jack and Jill walked along a level road, up the hill, back (along the same path) down the (answered by Alan3354,fractalier)

the distance up a hill and down the other side is the same. A car averages 30 mph up the... (answered by rfer)

Luke hiked up a 41/2-mile trail to the top of Mt. Washington at an average speed of 21/7... (answered by Boreal,josgarithmetic,ikleyn)

Sally drives to work at an average speed of 47 mph and returns along the same route at a... (answered by Alan3354)