document.write( "Question 816016: a math woman has 57 coins consisting of dimes and quarters. if the value of this money is 12.00, how many dimes and quarters does she have
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Algebra.Com's Answer #491310 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! d + q = 57 \n" ); document.write( "q = 57 - d \n" ); document.write( "10d + 25q = 1200 \n" ); document.write( "--- \n" ); document.write( "10d + 25q = 1200 \n" ); document.write( "10d + 25(57 - d) = 1200 \n" ); document.write( "10d + 1425 - 25d = 1200 \n" ); document.write( "15d = 225 \n" ); document.write( "--- \n" ); document.write( "d = 15 \n" ); document.write( "q = 42 \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( "Convert fractions, decimals, and percents: \n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.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( " |