document.write( "Question 466112: A plane took 3 hours to get from Chicago to New York with a tailwind of 30 mph. It took 4 hours to make the return trip with a headwind of the same speed, 30 mph. How fast was the plane traveling in still air? \n" ); document.write( "

Algebra.Com's Answer #319455 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "Let x represent speed of the plane traveling in still air
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document.write( " 3(x+30) = 4(x-30)
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document.write( "   210mph = x, speed of the plane traveling in still air\r
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document.write( "CHECKING our Answer***
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document.write( " 3hr* 240mp = 4hr* 180mph = 720 mi \n" );
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