SOLUTION: A train and a plane both leave at the same time to travel to a city that is 360 miles away. The plane travels three times as fast as the train. The plane arrives 4 hours before the

Question 1136911: A train and a plane both leave at the same time to travel to a city that is 360 miles away. The plane travels three times as fast as the train. The plane arrives 4 hours before the train. How fast is the train?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A train and a plane both leave at the same time to travel to a city that is 360 miles away. The plane travels three times as fast as the train. The plane arrives 4 hours before the train. How fast is the train?
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A train and a plane both leave at the same time
As opposed to just one of them leaving at the same time?
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p = plane's speed
s = train's speed
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p = 3s
360/p = 360/s - 4
----
360/3s = 360/s - 4
120/s = 360/s - 4
120 = 360 - 4s
s = 60 mi/hr

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