document.write( "Question 818082: A jar containing only nickels and dimes contains a total of 749 coins. The value of the jar is $57.10. How many of each coin are in the jar? \n" ); document.write( "
Algebra.Com's Answer #492401 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! n + d = 749 \n" ); document.write( "n = 749 - d \n" ); document.write( "5n + 10d = 5710 \n" ); document.write( "--- \n" ); document.write( "5n + 10d = 5710 \n" ); document.write( "5(749 - d) + 10d = 5710 \n" ); document.write( "3745 - 5d + 10d = 5710 \n" ); document.write( "5d = 1965 \n" ); document.write( "--- \n" ); document.write( "d = 393 \n" ); document.write( "n = 356 \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( " |