document.write( "Question 1200476: A piggy bank contains only nickels, dimes, and quarters. If there are 76 coins worth $8.50, and there are twice as many dimes as nickels, how many of each coin are there?
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Algebra.Com's Answer #834613 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Some simplification of the system:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( ". \n" ); document.write( "n=21 \n" ); document.write( "- \n" ); document.write( "d=42 \n" ); document.write( "- \n" ); document.write( "q=13\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------ \n" ); document.write( "------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Possible Method, not the one used:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Subtract second eq. from first eq.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |