document.write( "Question 992459: An airplane flew with the wind for 5 hours. the return trip against the wind took 6 hours. if the wind was blowing at 25 miles per hour,what was the rate of the plane in still air? \n" ); document.write( "

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An airplane flew with the wind for 5 hours. the return trip against the wind took 6 hours. if the wind was blowing at 25 miles per hour,what was the rate of the plane in still air?
\n" ); document.write( "let x=rate of the plane in still air
\n" ); document.write( "x+25=rate of the plane with the wind
\n" ); document.write( "x-25=rate of the plane against the wind
\n" ); document.write( "distance=travel time*distance
\n" ); document.write( "5(x+25)=6(x-25)
\n" ); document.write( "5x+125=6x-150
\n" ); document.write( "x=275
\n" ); document.write( "rate of the plane in still air=275 mph \n" ); document.write( "

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