document.write( "Question 369009: Flying with the wind, a plane can fly 800 miles in 2 hours. Against the wind the plane can fly the same distance in 4 hours. Find the rate of the plane in calm air and rate of the wind \n" ); document.write( "
Algebra.Com's Answer #262975 by Alan3354(69443)\"\" \"About 
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Flying with the wind, a plane can fly 800 miles in 2 hours. Against the wind the plane can fly the same distance in 4 hours. Find the rate of the plane in calm air and rate of the wind
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\n" ); document.write( "The airspeed of the plane is the average of its upwind and downwind groundspeeds.
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\n" ); document.write( "The windspeed is the difference between the airspeed and the groundspeed.
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