document.write( "Question 171054: Two planes left at the same time from two airports which are 4,500 miles apart and flew toward each other. In 5 hours, they passed each other. The rate of the fast plane was twice the rate of the slow plane. Find the rate of each plane. \n" ); document.write( "
Algebra.Com's Answer #126266 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Two planes left at the same time from two airports which are 4,500 miles apart and flew toward each other. In 5 hours, they passed each other. The rate of the fast plane was twice the rate of the slow plane. Find the rate of each plane. \n" ); document.write( "----------------- \n" ); document.write( "Their combined rates = 4500 miles/5 hrs = 900 mph \n" ); document.write( "---------------- \n" ); document.write( "EQUATION: \n" ); document.write( "Their rates are 2x and x \n" ); document.write( "2x+x = 900 \n" ); document.write( "3x = 900 \n" ); document.write( "x = 300 mph (rate of slow plane) \n" ); document.write( "2x = 600 mph (rate of fast plane) \n" ); document.write( "====================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |