document.write( "Question 1000926: a plane traveled 580 miles to zambaouga and back. the trip there was with the wind. it took 5 hours. the trip back was against the wind. the trip back was 10 hours. find the speed of the plane in still air and the speed of the wind \n" ); document.write( "
Algebra.Com's Answer #618289 by Alan3354(69443)\"\" \"About 
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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 = diff between airspeed and groundspeed.
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