document.write( "Question 1008468: Ruth has twice as many dimes as nickels, and five times as many nickels as quarters. she has three dollars in coins in all. how many of each coin does she have? \n" ); document.write( "
Algebra.Com's Answer #805334 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( "d = 2n
\n" ); document.write( "q = 5n
\n" ); document.write( "5n + 10d + 25q = 300\r
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\n" ); document.write( "\n" ); document.write( "Write everything in terms of n.\r
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\n" ); document.write( "\n" ); document.write( "5n + 10d + 25q = 300
\n" ); document.write( "5n + 10(2n) + 25(5n) = 300
\n" ); document.write( "150n = 300
\n" ); document.write( "n = 2\r
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\n" ); document.write( "\n" ); document.write( "Ruth has 2 nickels, 4 dimes, and 10 quarters.
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