document.write( "Question 991926: When a migrating bird flies with the wind it covers 135 miles in 3 hours. When it flies against that same wind, it covers the same distance in 5.4 hours. Find the speed of the bird when flying in still air. \n" ); document.write( "
Algebra.Com's Answer #611646 by Alan3354(69443)\"\" \"About 
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Find the 2 groundspeeds.
\n" ); document.write( "The bird's airspeed is the average of the 2.
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