document.write( "Question 820662: Ginny's piggy bank contains $8.80 in quarters, dimes and nickels. There were 2 more than 5 times as many nickels as quarters and 4 less than twice as many dimes as quarters. How many of each kind of coin was there in the bank? \n" ); document.write( "
Algebra.Com's Answer #493657 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "5x + 10y + 25z = 880 \n" ); document.write( "x = 5z + 2 \n" ); document.write( "y = 2z - 4 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "5x + 10y + 25z = 880 \n" ); document.write( "x - 5z = 2 \n" ); document.write( "y - 2z = -4 \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( "x= 67 \n" ); document.write( "y= 22 \n" ); document.write( "z= 13 \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "nickels = 67 \n" ); document.write( "dimes = 22 \n" ); document.write( "quarter = 13 \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( " |