document.write( "Question 262628: If a plane can travel 440mph into the wind and 500mph with the wind, find the speed of the wind and the speed of the plane in still air. \n" ); document.write( "
Algebra.Com's Answer #193438 by Alan3354(69443)\"\" \"About 
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If a plane can travel 440mph into the wind and 500mph with the wind, find the speed of the wind and the speed of the plane in still air.
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\n" ); document.write( "a = airspeed of the plane
\n" ); document.write( "w = wind speed
\n" ); document.write( "a+w = 500
\n" ); document.write( "a-w = 440
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\n" ); document.write( "2a = 940
\n" ); document.write( "a = 470 mph
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\n" ); document.write( "w = 30 mph
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