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