document.write( "Question 372468: What is the speed of a plane that travels at a rate of 540 mph against a wind of r mph? \n" ); document.write( "
Algebra.Com's Answer #265288 by mananth(16946)\"\" \"About 
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If the rate of the plane in still air is 540 mph
\n" ); document.write( "then rate against wind will be 540-r mph
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