document.write( "Question 1040149: if an airplane has a tail wind, the wind increases the speed of the plane by that amount. Similarly, a headwind decreases the speed of a plane by that amount. Suppose a plane which can fly at 250 mph in no wind flies 350 miles in head wind and 390 in a tail wind. What is the speed of the wind \n" ); document.write( "
Algebra.Com's Answer #654963 by ikleyn(52788)\"\" \"About 
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\n" ); document.write( "if an airplane has a tail wind, the wind increases the speed of the plane by that amount.
\n" ); document.write( "Similarly, a headwind decreases the speed of a plane by that amount. Suppose a plane which can fly
\n" ); document.write( "at 250 mph in no wind flies 350 miles in head wind and 390 in a tail wind. What is the speed of the wind.
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\n" ); document.write( "\n" ); document.write( "Hey,\r
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\n" ); document.write( "\n" ); document.write( "your condition is wrong.
\n" ); document.write( "There is a mistake in your condition. (May be, more than one mistake!)
\n" ); document.write( "Read it and find a mistake.\r
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