SOLUTION: If a plane can travel 500 miles per hour with the wind 400 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind? What is the speed

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Question 591077: If a plane can travel 500 miles per hour with the wind 400 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind? What is the speed of the plane in still air?
Answer by Alan3354(69443) About Me  (Show Source):
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If a plane can travel 500 miles per hour with the wind 400 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind? What is the speed of the plane in still air?
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The "speed of the plane without a wind" is called the airspeed, and it's the average of the 2 groundspeeds.
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The windspeed is the difference between airspeed and groundspeed.