SOLUTION: Millie climbed a mountain at an average speed of 1km per hour.on her way down she averaged 5km per hour.what was her average speed.could you please show any working so I can unders

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Question 1020652: Millie climbed a mountain at an average speed of 1km per hour.on her way down she averaged 5km per hour.what was her average speed.could you please show any working so I can understand the solution.
Thanks




Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
Same distance up as down.
RT=D relates speed, time, distance. 

            rate         time        distance

UP          1            d/1          d

DOWN        5            d/5          d

Total                 d%2F1%2Bd%2F5         2d

Average rate,

Answer by MathTherapy(10549) About Me  (Show Source):
You can put this solution on YOUR website!

Millie climbed a mountain at an average speed of 1km per hour.on her way down she averaged 5km per hour.what was her average speed.could you please show any working so I can understand the solution.