document.write( "Question 262628: If a plane can travel 440mph into the wind and 500mph with the wind, find the speed of the wind and the speed of the plane in still air. \n" ); document.write( "
Algebra.Com's Answer #193438 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! If a plane can travel 440mph into the wind and 500mph with the wind, find the speed of the wind and the speed of the plane in still air. \n" ); document.write( "------- \n" ); document.write( "a = airspeed of the plane \n" ); document.write( "w = wind speed \n" ); document.write( "a+w = 500 \n" ); document.write( "a-w = 440 \n" ); document.write( "---------- Add \n" ); document.write( "2a = 940 \n" ); document.write( "a = 470 mph \n" ); document.write( "------- \n" ); document.write( "w = 30 mph \n" ); document.write( " \n" ); document.write( " |