document.write( "Question 299199: An airplane took 4 hours to fly 1200 miles agianst a headwind.The return trip with the wind took 3 hours. Find the speed of the plane in still air and the speed of the wind. What is the speed of the wind in still air? What is the wind speed? \n" ); document.write( "
Algebra.Com's Answer #215093 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! An airplane took 4 hours to fly 1200 miles agianst a headwind.The return trip with the wind took 3 hours. Find the speed of the plane in still air and the speed of the wind. What is the speed of the wind in still air? What is the wind speed? \n" ); document.write( "---------------- \n" ); document.write( "1200/4 = 300 mph groundspeed \n" ); document.write( "1200/3 = 400 mph groundspeed \n" ); document.write( "The plane's airspeed is the average, = 350 mph \n" ); document.write( "---------------- \n" ); document.write( "The windspeed is the difference, = 50 mph \n" ); document.write( " \n" ); document.write( " |