document.write( "Question 831701: Juan has .80 in nickels and dimes. He has twice as many nickels as dimes. How many nickels and how many dimes does he have? \n" ); document.write( "
Algebra.Com's Answer #501591 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "5x + 10y = 80 \n" ); document.write( "x = 2y \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form: \n" ); document.write( "--- \n" ); document.write( "5x + 10y = 80 \n" ); document.write( "x - 2y = 0 \n" ); document.write( "--- \n" ); document.write( "copy and paste the above linear system in standard form into this matrix-method 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 = nickels = 8 \n" ); document.write( "y = dimes = 4 \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( " |