document.write( "Question 362222: In the time it takes a pilot to fly 360 miles with a head wind, she can only fly 240 against the wind. If the speed of the plane in still air is 150 mph, find the wind speed. \n" ); document.write( "

Algebra.Com's Answer #258131 by robertb(5830) $\"\"$ $\"About$

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Let w = windspeed.
\n" ); document.write( " $\"360%2F%28150%2Bw%29+=+240%2F%28150-w%29\"$ ,
\n" ); document.write( " $\"3%2F%28150%2Bw%29+=+2%2F%28150-w%29\"$ , after dividing both sides by 120.
\n" ); document.write( " $\"450-3w+=+300%2B2w\"$ ,
\n" ); document.write( " $\"150+=+5w\"$ ,
\n" ); document.write( " $\"w+=+30\"$ miles per hour, the speed of the wind.
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