document.write( "Question 1068752: A group of twenty-five coins, whose total value is $2.75, is composed of nickels, dimes, and quarters. If the nickels were dimes, the dimes were quarters, and the quarters were nickels, the total would be $3.75. How many quarters are there in the collection? \n" ); document.write( "
Algebra.Com's Answer #684087 by Fombitz(32388)\"\" \"About 
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\"N%2BD%2BQ=25\" Total number of coins
\n" ); document.write( "\"5N%2B10D%2B25Q=275\" Total value of coins
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\n" ); document.write( "\"5Q%2B10N%2B25D=375\" Total value of coins if they were switched
\n" ); document.write( "\"10N%2B25D%2B5Q=375\"
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\n" ); document.write( "Using Cramer's rule,
\n" ); document.write( "\"N=10\"
\n" ); document.write( "\"D=10\"
\n" ); document.write( "\"Q=5\"
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