document.write( "Question 484681: two planes leave an airport at noon. one flew east at a certain speed and the other flew west at twice the speed . The planes were 2700 miles apart in 3 hours. How fast was each plane going \n" ); document.write( "
Algebra.Com's Answer #332000 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 3(n)+3(2n)=2700 \n" ); document.write( "3n+6n=2700 \n" ); document.write( "9n=2700 \n" ); document.write( "n=300 \n" ); document.write( "The first plane went at 300 mph, the second flew at 600 mph.. \n" ); document.write( " |