SOLUTION: A cyclist leaves home and rides due east for a distance of 70 km. She returns home on the same bike path. If the entire trip takes 4 h, what is her average speed?

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Question 260095: A cyclist leaves home and rides due east for a distance of 70 km. She returns home on the same bike path. If the entire trip takes 4 h, what is her average speed?
Answer by dabanfield(803) About Me  (Show Source):
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A cyclist leaves home and rides due east for a distance of 70 km. She returns home on the same bike path. If the entire trip takes 4 h, what is her average speed?
averate speed = total distance / total time
average speed = (70+70)/4