document.write( "Question 936772: a plane traveling with the wind can travel 1170 miles in 3 hours. Against the same wind the plane can travel 1550 miles in 5 hours. How fast are the plane and the wind traveling?> \n" ); document.write( "
Algebra.Com's Answer #570284 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
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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\n" ); document.write( "No reason to make it a doctoral dissertation.
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