document.write( "Question 667291: I need help on this problem. Can't seem to set it up correctly. \"Against the wind a small plane flew 715 miles in 2 hours and 10 minutes. The return trip took only 1 hour and 50 minutes. What was the speed of wind? What was the speed of the plane in still air? \n" ); document.write( "

Algebra.Com's Answer #414936 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( " velocity = velocity = D/t  (am going to express time in minutes)
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document.write( " v - w = 715/130 = 5.5
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document.write( " v + w = 715/110 = 6.5
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document.write( " 2v = 12
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document.write( "  v = 6mi/min  and w = .5mi/min
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document.write( "0r
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document.write( " v = 360mph and w = 30mph
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