document.write( "Question 712825: An aircraft flies due east with a tailwind for 4 hours for a distance of 800 miles. The return trip with a headwind requires 5 hours. What is the speed of the aircraft? \n" ); document.write( "
Algebra.Com's Answer #438196 by Alan3354(69443)\"\" \"About 
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An aircraft flies due east with a tailwind for 4 hours for a distance of 800 miles. The return trip with a headwind requires 5 hours. What is the speed of the aircraft?
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\n" ); document.write( "The airspeed is the average of the 2 groundspeeds.
\n" ); document.write( "Use
\n" ); document.write( "d = r*t
\n" ); document.write( "r = d/t to find the 2 groundspeeds.
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