document.write( "Question 480398: A jet airliner flies at 300 mph for the first half hour and last half hour of a flight. The rest of the time it flies at 600 mph. How long does it take to fly a distance of 4500 miles? \n" ); document.write( "
Algebra.Com's Answer #328999 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 600(n)+600(1)=4500 \n" ); document.write( "600n=3900 \n" ); document.write( "n=6.5 \n" ); document.write( "6.5+1=7.5 hours total air time.. \n" ); document.write( " |