document.write( "Question 307439: A jet plane flying with the wind flew 2400 miles in 4 hours. Against the wind, the plane flew only 2000 miles in 4 hours. Find the rate of the plane in calm air and the rate of the wind. \n" ); document.write( "
Algebra.Com's Answer #219950 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
2400/4 = 600 mph
\n" ); document.write( "2000/4 = 500 mph
\n" ); document.write( "The airspeed is the average, (600+500)/2 = 550 mph
\n" ); document.write( "The windspeed is the difference, 550 - 500 = 50 mph
\n" ); document.write( "Don't make it a thesis.
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