document.write( "Question 1113476: a small plane can fly 600 miles with the wind in 3 hours. on the return, flying against the wind the same distance is traveled in 4 hours. find the speed of the plane in calm air and the speed of the wind. \n" ); document.write( "
Algebra.Com's Answer #728510 by Alan3354(69443)\"\" \"About 
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Find the 2 groundspeeds, downwind and upwind.
\n" ); document.write( "The plane's airspeed is the average of the 2.
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\n" ); document.write( "Windspeed is the difference between airspeed and groundspeed.
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