document.write( "Question 495012: With the wind, a jet takes 3 hours to fly 1,890 miles. Against the wind, it takes 3 3/8 hours for the same trip. Find the wind speed and the plane's air speed.\r
\n" ); document.write( "\n" ); document.write( "If x is the plane's speed and y is the wind's speed, then which two expressions represent the rate of speed in each direction?
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Algebra.Com's Answer #335962 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
x + y = 1890 / 3\r
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\n" ); document.write( "\n" ); document.write( "x - y = 1890 / (27/8)\r
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\n" ); document.write( "\n" ); document.write( "add the equations to find x (y cancels), then substitute to find y
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