document.write( "Question 1090667: Justin can run 10 km in the same time that enzo can run in 12 km. If enzo can run 1 kph faster than justin, how fast can enzo run? \n" ); document.write( "

Algebra.Com's Answer #705127 by ikleyn(52781) $\"\"$ $\"About$

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

\r\n" );
document.write( "Let x be the Enzo's rate, in km/h.\r\n" );
document.write( "\r\n" );
document.write( "Then the Justin's rate is (x-1) km/h.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The \"time\" equation is\r\n" );
document.write( "\r\n" );
document.write( " = .\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Solve it for x to get the answer.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "I can solve it mentally.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Answer. Enzo's rate is 6 km/h.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );