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)![]() ![]() 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( " |