document.write( "Question 207852: A passenger plane ad a jet leave at the same time from the same airport, traveling in opposite directions. The jet travels at twice the speed of the passenger plane. They are 2400 miles apart in 4 hours. Find the speed of the passenger plane and the jet. \n" ); document.write( "
Algebra.Com's Answer #157218 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! rt=D \n" ); document.write( "(x+2x)4=2400 \n" ); document.write( "12x=2400 \n" ); document.write( "x=200 mph passenger plane \n" ); document.write( "2x=400 mph jet \n" ); document.write( " \n" ); document.write( " |