document.write( "Question 1059773: When a child breaks open her piggy bank, she finds a total of 50 coins, consisting of nickels, dimes, and quarters. The total value of the coins is $6. If the nickels were dimes, and the dimes were nickels, the value of the coins would be $5. How many nickels, dimes, and quarters were in the piggy bank? \n" ); document.write( "
Algebra.Com's Answer #674826 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! When a child breaks open her piggy bank, she finds a total of 50 coins, consisting of nickels, dimes, and quarters. The total value of the coins is $6. If the nickels were dimes, and the dimes were nickels, the value of the coins would be $5. How many nickels, dimes, and quarters were in the piggy bank? \n" ); document.write( "--------------------- \n" ); document.write( "n + d + q = 50 coins \n" ); document.write( "5n + 10d + 25q = 600 cents \n" ); document.write( "10n + 5d + 25q = 500 cents \n" ); document.write( "----------------------- \n" ); document.write( "Modify:: \n" ); document.write( "n + d + q = 50 \n" ); document.write( "n + 2d + 5q = 120 \n" ); document.write( "2n + d + 5q = 100 \n" ); document.write( "------------------------ \n" ); document.write( "Use any method you know to solve the system to get:: \n" ); document.write( "n = 10 \n" ); document.write( "d = 30 \n" ); document.write( "q = 10 \n" ); document.write( " |