document.write( "Question 820548: An airplane can fly with the wind a distance of 720 miles in 4 hours. However, the return wind takes 5 hours. Find the speed of the plane in still air and the speed of the wind \n" ); document.write( "
Algebra.Com's Answer #493608 by Alan3354(69443)\"\" \"About 
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An airplane can fly with the wind a distance of 720 miles in 4 hours. However, the return wind takes 5 hours. Find the speed of the plane in still air and the speed of the wind
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\n" ); document.write( "Find the 2 groundspeeds.
\n" ); document.write( "The airspeed is the average of the 2.
\n" ); document.write( "The windspeed is the difference between airspeed and groundspeed.
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