document.write( "Question 1090471: A money box contains only 10-cent and
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Algebra.Com's Answer #704912 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
(Dollars, $, have no \"20-cent\" coin.)\r
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\n" ); document.write( "\n" ); document.write( "\"system%28x%2By=34%2C10x%2B20y=540%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%2B2y=54\"
\n" ); document.write( "\"%2834-y%29%2B2y=54\"
\n" ); document.write( "\"34%2By=54\"
\n" ); document.write( "\"y=20\"------------the number of \"20-cent\" coins
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