document.write( "Question 819781: Charles has $2.75 in dimes and nickles. The number of nickles is one less than twice the number of dimes.How many of each type of coin does he have? \n" ); document.write( "
Algebra.Com's Answer #493215 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! 5n + 10d = 275 \n" ); document.write( "n = 2d - 1 \n" ); document.write( "--- \n" ); document.write( "5n + 10d = 275 \n" ); document.write( "5(2d - 1) + 10d = 275 \n" ); document.write( "10d - 5 + 10d = 275 \n" ); document.write( "20d = 280 \n" ); document.write( "--- \n" ); document.write( "d = 14 \n" ); document.write( "n = 27 \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( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " |