document.write( "Question 1072511: A jar holding 36 coins, only nickels and quarters, is worth $6.20. There are eight more quarters than there are nickels. How many nickels are in the jar \n" ); document.write( "
Algebra.Com's Answer #805421 by CubeyThePenguin(3113)\"\" \"About 
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n = number of nickels
\n" ); document.write( "q = number of quarters\r
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\n" ); document.write( "\n" ); document.write( "n + q = 36
\n" ); document.write( "5n + 25q = 620\r
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\n" ); document.write( "\n" ); document.write( "Multiply the first equation by 25. We are going to eliminate the variable q.\r
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\n" ); document.write( "\n" ); document.write( "25n + 25q = 900
\n" ); document.write( "5n + 25q = 620\r
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\n" ); document.write( "\n" ); document.write( "Subtract: 20n = 280, so n = 14.\r
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\n" ); document.write( "\n" ); document.write( "There are 14 nickels in the jar.
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