document.write( "Question 347744: Flying against the wind, an airplane travels 2960 km in 4 hours. Flying with the wind, the same plane travels 10,080 km in 9 hours. What is the rate of the plane in still air and what is the rate of the wind \n" ); document.write( "
Algebra.Com's Answer #248619 by Alan3354(69443)\"\" \"About 
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Calculate the 2 groundspeeds.
\n" ); document.write( "The airspeed is the average of them.
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