document.write( "Question 1196918: Flying against the wind, an airplane travels 1920 kilometers in 3 hours. Flying with the wind, the same plane travels 3520 kilometers in 4 hours. What is the rate of the plane in still air and what is the rate of the wind?
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Algebra.Com's Answer #829964 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Hi  \r\n" );
document.write( "Flying against the wind, an airplane travels 1920 kilometers in 3 hours:   \r\n" );
document.write( "Flying with the wind, the same plane travels 3520 kilometers in 4 hours:  \r\n" );
document.write( "D=rt  0r  r = D/t\r\n" );
document.write( "Question States:\r\n" );
document.write( "s - w = 1920/3 = 640m km/hr\r\n" );
document.write( "s + w = 3520/4 = 880 km/hr   | Solving by eliminating w\r\n" );
document.write( "           2s = 1520 km/hr   \r\n" );
document.write( "            s = 760 km/hr , the the rate of the plane in still air\r\n" );
document.write( "  = 120 km/hr, the rate of the wind\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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