document.write( "Question 556783: An airplane can fly with the wind a distance of 600 miles in 5 hours. However, the return trip against the wind takes 6 hours. Find the speed of the plane in still air and the speed of the wind \n" ); document.write( "
Algebra.Com's Answer #362307 by scott8148(6628)\"\" \"About 
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a + w = 600 / 5\r
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\n" ); document.write( "\n" ); document.write( "a - w = 600 / 6\r
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\n" ); document.write( "\n" ); document.write( "add the equations to eliminate w\r
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\n" ); document.write( "\n" ); document.write( "solve for a\r
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\n" ); document.write( "\n" ); document.write( "substitute back to find w
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