document.write( "Question 932153: Nina rows her boat two hours to travel 16 miles downstream and 8 hours on the return trip. What is the speed of the boat in still water? \n" ); document.write( "
Algebra.Com's Answer #566006 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! x = speed of boat in still water \n" ); document.write( "y = speed of current \n" ); document.write( "--- \n" ); document.write( "s = d/t \n" ); document.write( "--- \n" ); document.write( "downstream: \n" ); document.write( "x + y = 16/2 \n" ); document.write( "x + y = 8 \n" ); document.write( "--- \n" ); document.write( "upstream: \n" ); document.write( "x - y = 16/8 \n" ); document.write( "x - y = 2 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "x + y = 8 \n" ); document.write( "x - y = 2 \n" ); document.write( "--- \n" ); document.write( "copy and paste the above standard form linear equations in to this solver: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "--- \n" ); document.write( "solution: \n" ); document.write( "x = speed of boat in still water = 5 mph \n" ); document.write( "y = speed of current = 3 mph \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "--- \n" ); document.write( " |