document.write( "Question 1164846: Carrie trained for 3 hours yesterday. She ran 24 miles and then biked 18 miles. Her biking speed is 6 mph faster than her running speed. What is her running speed? \n" ); document.write( "

Algebra.Com's Answer #789282 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( "           SPEED       TIME        DISTANCE\r\n" );
document.write( "\r\n" );
document.write( "RAN          r          24/r          24\r\n" );
document.write( "\r\n" );
document.write( "BIKE        r+6        18/(r+6)       18\r\n" );
document.write( "\r\n" );
document.write( "Total                    3\r\n" );
document.write( "

\n" ); document.write( "Solve for r, in equation $\"24%2Fr%2B18%2F%28r%2B6%29=3\"$ .\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "This example lets you multiply both sides by $\"1%2F3\"$ :\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"8%2Fr%2B6%2F%28r%2B6%29=1\"$ \r
\n" ); document.write( "\n" ); document.write( "and then multiply both sides by $\"r%28r%2B6%29\"$ (or the two steps could have been combined into one).\r
\n" ); document.write( "\n" ); document.write( " $\"8%28r%2B6%29%2B6r=r%28r%2B6%29\"$ \r
\n" ); document.write( "\n" ); document.write( "and continue,\r
\n" ); document.write( "\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( ". \n" ); document.write( "

\n" );