SOLUTION: A train travels 150 kilometers in the same time it takes a plane to travel 400 Kilometers. If the speed of the plane is 20 kilometers per hour less than 3 times the speed of the t
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Question 41999: A train travels 150 kilometers in the same time it takes a plane to travel 400 Kilometers. If the speed of the plane is 20 kilometers per hour less than 3 times the speed of the train , find both speeds?
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
150/x=400/3(x-20) or 400x=450x-9000 or 50x=9000 or x=180 speed of the train &
3(180-20) or 3*160=480 speed of the plane
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