document.write( "Question 197329: After leaving Moose Jaw, Hanson drove
\n" );
document.write( "200 kilometers at x km/hr and then decreased his speed by
\n" );
document.write( "20 km/hr and drove 240 additional kilometers. Write a rational expression for
\n" );
document.write( "his total traveling time. Evaluate the expression for x = 100. \n" );
document.write( "
Algebra.Com's Answer #147957 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! After leaving Moose Jaw, Hanson drove \n" ); document.write( "200 kilometers at x km/hr and then decreased his speed by \n" ); document.write( "20 km/hr and drove 240 additional kilometers. Write a rational expression for \n" ); document.write( "his total traveling time. Evaluate the expression for x = 100. \n" ); document.write( "------------------- \n" ); document.write( "time = distance/rate \n" ); document.write( "---------------------- \n" ); document.write( "Equation: \n" ); document.write( "Total time = 200/x + 240/20 \n" ); document.write( "Total time = 200/x + 12 \n" ); document.write( "T(100) = 200/100 + 12 \n" ); document.write( "T(100) = 2 + 12 = 14 hours. \n" ); document.write( "================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |