document.write( "Question 668876: a plane made a trip of 2280 miles in 4 hours flying with a tail wind. The return trip took 4 hours and 45 minutes flying with the same head wind. Find the wind speed and speed of the plane in still air \n" ); document.write( "

Algebra.Com's Answer #415926 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "  s + w = 2280mi/4hr = 570mph
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document.write( "  s - w = 2280mi/4.75hr = 480mph
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document.write( "    2s = 1050mph
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document.write( "     s = 525mph, speed of the plane in still air.  w = 45mph \n" );
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