document.write( "Question 276584: If a plane flying from O'Hare travels west at 550 miles per hour and another leaving at the same time travels east at 450 miles per hour, how many hours until the planes are 2600 miles apart? \n" ); document.write( "
Algebra.Com's Answer #201545 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! rt=d \n" ); document.write( "rt+rt=d \n" ); document.write( "550t+450t=2600 \n" ); document.write( "1000t=2600 \n" ); document.write( "t=2.6 hrs \n" ); document.write( "check \n" ); document.write( "550*2.6+450*2.6=2600 \n" ); document.write( "ok\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |