document.write( "Question 993954: Christie pilots her plane for 300 mi against a headwind in 2 hrs. The flight would take 1 hr and 30 mins with a tailwind of the same speed. Find the Headwind and the speed of the plane in still air.\r
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Algebra.Com's Answer #613127 by Alan3354(69443)\"\" \"About 
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Christie pilots her plane for 300 mi against a headwind in 2 hrs. The flight would take 1 hr and 30 mins with a tailwind of the same speed. Find the Headwind and the speed of the plane in still air.
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\n" ); document.write( "find the 2 groundspeeds, upwind and downwind.
\n" ); document.write( "The plane's airspeed is the average of the 2.
\n" ); document.write( "The windspeed is the difference between airspeed and groundspeed.
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\n" ); document.write( "We don't need this: \r
\n" ); document.write( "\n" ); document.write( "The speed of the headwind on the plane is ___mph and the speed of the plane in still air is ___mph.
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