document.write( "Question 949250: an airplane flies 1200 miles into the wind in 3 hours. the return trip takes 2 hours. find the speed of the airplane without a wind and then find the speed of the wind itself. using the substitution method. \n" ); document.write( "
Algebra.Com's Answer #579506 by Alan3354(69443)\"\" \"About 
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an airplane flies 1200 miles into the wind in 3 hours. the return trip takes 2 hours. find the speed of the airplane without a wind and then find the speed of the wind itself. using the substitution method.
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\n" ); document.write( "Find the 2 groundspeeds, upwind and downwind.
\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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