document.write( "Question 1079702: flying against the wind a jet travels 4160 miles in 8 hours. flying with the wind, the same jet travels 3920 miles in 4 hours. what is the rate of the jet in still air and what is the rate of the wind \n" ); document.write( "
Algebra.Com's Answer #693918 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! mph against the wind is 4160/8=520 mph \n" ); document.write( "mph with the wind is 3920/4=980 mph \n" ); document.write( "x=plane speed \n" ); document.write( "y=wind speed \n" ); document.write( "x+y=980 \n" ); document.write( "x-y=520 \n" ); document.write( "2x=1500 \n" ); document.write( "x=750 mph, plane's speed \n" ); document.write( "wind is 230 mph. \n" ); document.write( " |