document.write( "Question 989548: a newspaper carrier has $2.60 in change. He has four more quarters than dimes but three times as many nickels as quarters. How many coins of each type does he have \n" ); document.write( "
Algebra.Com's Answer #807956 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( "5n + 10d + 25q = 260
\n" ); document.write( "q = d + 4
\n" ); document.write( "n = 3q\r
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\n" ); document.write( "\n" ); document.write( "Write everything in terms of d.\r
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\n" ); document.write( "\n" ); document.write( "5(3(d + 4)) + 10d + 25(d + 4) = 260
\n" ); document.write( "15d + 60 + 10d + 25d + 100 = 260
\n" ); document.write( "50d + 160 = 260
\n" ); document.write( "d = 2\r
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\n" ); document.write( "\n" ); document.write( "The news carrier has 18 nickels, 2 dimes, and 6 quarters.
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