document.write( "Question 1143533: A certain aircraft can fly 540 miles with the wind in 3 hours and travel the same distance against the wind in 6 hours. What is the speed of the wind? \n" ); document.write( "
Algebra.Com's Answer #764359 by Alan3354(69443)\"\" \"About 
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Find the 2 groundspeeds, downwind & 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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