document.write( "Question 409746: A jet took one hour longer flying to Las Vegas from Denver at 800 km/h than to return at 1,200 km/h. Find the DISTANCE from Las Vegas to Denver. \n" ); document.write( "
Algebra.Com's Answer #288318 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A jet took one hour longer flying to Las Vegas from Denver at 800 km/h than to return at 1,200 km/h. Find the DISTANCE from Las Vegas to Denver. \n" ); document.write( "------ \n" ); document.write( "L to D DATA: \n" ); document.write( "rate = 800 km/h ; distance = x km ; time = x/800 hrs \n" ); document.write( "--------------------------- \n" ); document.write( "D to L DATA: \n" ); document.write( "rate = 1200 km/h ; distance = x km ; time = x/1200 hrs \n" ); document.write( "----------------------------- \n" ); document.write( "Equation: \n" ); document.write( "time - time = 1 hr \n" ); document.write( "x/800 - x/1200 = 1 \n" ); document.write( "---- \n" ); document.write( "Multiply thru by 2400 \n" ); document.write( "3x - 2x = 2400 \n" ); document.write( "x = 2400 km (distance from L to D) \n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "====================== \n" ); document.write( " |