document.write( "Question 80361: Tom walked to the meeting at 2 miles per hour and caught a ride home in an old truck at 10 miles per hour. How far was it to the meeting place if his total travel time was 18 hours? \n" ); document.write( "

Algebra.Com's Answer #57657 by Edwin McCravy(20059) $\"\"$ $\"About$

You can put this solution on YOUR website!
Tom walked to the meeting at 2 miles per hour and caught a ride home in an old truck at 10 miles per hour. How far was it to the meeting place if his total travel time was 18 hours?
\n" ); document.write( "

\r\n" );
document.write( "Make this chart\r\n" );
document.write( "\r\n" );
document.write( "          DISTANCE   RATE     TIME\r\n" );
document.write( "Walking                                      \r\n" );
document.write( "Riding                              \r\n" );
document.write( "\r\n" );
document.write( "Let x be the distance to the meeting place. \r\n" );
document.write( "So fill n x for each distance.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "          DISTANCE   RATE     TIME\r\n" );
document.write( "Walking     x                               \r\n" );
document.write( "Riding      x                     \r\n" );
document.write( "\r\n" );
document.write( "Fill in the rates \r\n" );
document.write( "\r\n" );
document.write( "          DISTANCE   RATE     TIME\r\n" );
document.write( "Walking     x          2                     \r\n" );
document.write( "Riding      x         10          \r\n" );
document.write( "\r\n" );
document.write( "Fill in the TIMES using TIME = DISTANCE/RATE\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "          DISTANCE   RATE     TIME\r\n" );
document.write( "Walking     x          2       x/2           \r\n" );
document.write( "Riding      x         10      x/10\r\n" );
document.write( "\r\n" );
document.write( "Since the total time was 18 hours, we make the \r\n" );
document.write( "equation by adding the times and setting the\r\n" );
document.write( "sum = 18\r\n" );
document.write( "\r\n" );
document.write( "  x/2 + x/10 = 18\r\n" );
document.write( "\r\n" );
document.write( "Solve that and get x = 30 miles.\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );