document.write( "Question 1196500: A trip of 500 kilometres took five and a half hours to complete by car. During the first 30 minutes, travelling was slow because of heavy traffic, but for the rest of the journey, the car's speed was 10km/hr, less than twice the car's speed in heavy traffic. Determine the speed of the car in heavy traffic. \n" ); document.write( "

Algebra.Com's Answer #829348 by josgarithmetic(39616) $\"\"$ $\"About$

You can put this solution on YOUR website!
?
\n" ); document.write( "?
\n" ); document.write( "

\r\n" );
document.write( "                            SPEEDS         TIME(hours)    DISTANCES\r\n" );
document.write( "\r\n" );
document.write( "Slow in Heavy Traffic          r             0.5          0.5r\r\n" );
document.write( "\r\n" );
document.write( "Rest of Journey              2r-10           5            5(2r-10)\r\n" );
document.write( "\r\n" );
document.write( "TOTAL                                        5.5           500\r\n" );
document.write( "

\n" ); document.write( " $\"0.5r%2B5%282r-10%29=500\"$ \r
\n" ); document.write( "\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( ". \n" ); document.write( "

\n" );