document.write( "Question 1154732: If a plane can travel 460 miles per hour with the wind and 400 miles per hour against the​ wind, find the speed of the wind and the speed of the plane in still air.
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Algebra.Com's Answer #777203 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Planes don't use mph.
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