SOLUTION: Type your question here:a car travels up a hill at an average speed of 50 miles an hours. At what average speed does the car need to travels the same distance back down the hill to
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Question 812698: Type your question here:a car travels up a hill at an average speed of 50 miles an hours. At what average speed does the car need to travels the same distance back down the hill to average 60 miles an hours?
(A) 65 (B) 65 (C) 70 (D) 75 (E) not enough information provided
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
we need to know time
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