document.write( "Question 125716: Two planes leave from the same airport at the same time but travel in opposite directions. One flies 60 mi/h faster than the other. They are 1,820 miles apart after 2 hours. How fast is each plane traveling?\r
\n" );
document.write( "\n" );
document.write( "Yes, I'm very new to algebra. Thanx for any help! \n" );
document.write( "
Algebra.Com's Answer #92103 by stanbon(75887) ![]() You can put this solution on YOUR website! Two planes leave from the same airport at the same time but travel in opposite directions. One flies 60 mi/h faster than the other. They are 1,820 miles apart after 2 hours. How fast is each plane traveling? \n" ); document.write( "------------------------ \n" ); document.write( "1st plane DATA: \n" ); document.write( "Rate = x mph ; time = 2 hrs ; distance = 2x miles \n" ); document.write( "----------------- \n" ); document.write( "2nd plane DATA: \n" ); document.write( "Rate = x+60 mph ; time = 2 hrs ; distance = 2x+120 miles \n" ); document.write( "---------------- \n" ); document.write( "EQUATION: \n" ); document.write( "distance + distance = 1820 miles \n" ); document.write( "2x + 2x+120 = 1820 \n" ); document.write( "4x = 1700 \n" ); document.write( "x = 425 mph (1st plane rate) \n" ); document.write( "x+60 = 485 mph (2nd plane rate) \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |