document.write( "Question 988082: A register has 2 times the number of five cent coins
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document.write( "than of quarters, 15 dimes more than quarters, for a total of $3.75.
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document.write( "Determine how many five cent coins, dimes and quarters are there. \n" );
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Algebra.Com's Answer #808087 by CubeyThePenguin(3113) You can put this solution on YOUR website! n = number of nickels \n" ); document.write( "d = number of dimes \n" ); document.write( "q = number of quarters\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n = 2q \n" ); document.write( "d = q + 15 \n" ); document.write( "5n + 10d + 25q = 375\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5(2q) + 10(q + 15) + 25q = 375 \n" ); document.write( "10q + 10q + 150 + 25q = 375 \n" ); document.write( "45q = 225 \n" ); document.write( "q = 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "----> 10 nickels, 20 dimes, 5 quarters \n" ); document.write( " |