document.write( "Question 1127536: Jon is kayaking in the Russian River which flows downstream at a rate of 1 mile per hour. He paddles 5 miles downstream and then turns around and paddles 6 miles upstream. The trip takes 3 hours. How fast can Jon paddle in still water? \n" ); document.write( "

Algebra.Com's Answer #743954 by ikleyn(52781) $\"\"$ $\"About$

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

\r\n" );
document.write( "Let x = Jon's speed in still water.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Then the time equation, from the condition, is\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( "Solve it for x.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "To start, multiply all the terms by (x-1)*(x+1).\r\n" );
document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Answer. x, or Jon' speed in still water, is 4 km/h.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );