document.write( "Question 348655: The speed of a stream is 6 mph. If a boat travels 54 miles downstream in the same time that it takes to travel 27 miles upstream, what is the speed of the boat in still water? \n" ); document.write( "
Algebra.Com's Answer #249462 by nyc_function(2741)\"\" \"About 
You can put this solution on YOUR website!
Let b = speed of boat in still water\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Downstream:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "rate = b + 6\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "time = b\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "distance = 54\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Upstream:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "rate = b - 6\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "time = b\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "distance = 27\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Your equation is:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "54/(b + 6) = 27/(b - 6)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Solve for b to find your answer.
\n" ); document.write( "
\n" );