document.write( "Question 1168039: Cindy bikes from A to B at 20km/h. She returns by car at 80km/h. The bike trip is 3 hours longer than the car trip. How far is it from A to B? \n" ); document.write( "

Algebra.Com's Answer #792640 by ikleyn(52800) $\"\"$ $\"About$

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

\r\n" );
document.write( "\r\n" );
document.write( "Write the \"time\" equation\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "     -  = 3  hours,\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "where \"d\" is one way unknown distance.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "It is your basic equation.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "To solve it, multiply both sides by 80.  You will get\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    4d - d = 240\r\n" );
document.write( "\r\n" );
document.write( "    4d     = 240\r\n" );
document.write( "\r\n" );
document.write( "     d     = 240/3 = 80 miles.    ANSWER\r\n" );
document.write( "

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

\n" );