SOLUTION: Karina rode her bike up a mountain trail at an average speed of 4 miles per hour. Then she rode back down the trail at an average speed of 20 mph. The entire trip took 3 hours. Ho
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-> SOLUTION: Karina rode her bike up a mountain trail at an average speed of 4 miles per hour. Then she rode back down the trail at an average speed of 20 mph. The entire trip took 3 hours. Ho
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Question 787994: Karina rode her bike up a mountain trail at an average speed of 4 miles per hour. Then she rode back down the trail at an average speed of 20 mph. The entire trip took 3 hours. How far up the Mountain did Karina go Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Karina rode her bike up a mountain trail at an average speed of 4 miles per hour. Then she rode back down the trail at an average speed of 20 mph. The entire trip took 3 hours. How far up the Mountain did Karina go
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Avg speed for the round trip is
= 20/3 mi/hr
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d = r*t = (20/3)*3 = 20 miles
--> 10 miles each way
