document.write( "Question 604605: A Mississippi riverboat can travel 40 kilometers downstream in 3 hours and can make the return trip in 6 hours. Find the speed of the boat in still water. \n" ); document.write( "
Algebra.Com's Answer #381341 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! b + c = 40/3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b - c = 40/6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "add the equations to eliminate c \n" ); document.write( " |