document.write( "Question 1203239: stella has 63 coins .the coins are a mixture of quarters and dimes .she has a total of $10.80 . how many quarters and how many dimes does stella have \n" ); document.write( "
Algebra.Com's Answer #838652 by josgarithmetic(39621)\"\" \"About 
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y number of quarters
\n" ); document.write( "63-y number of dimes
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\n" ); document.write( "\n" ); document.write( "\"25y%2B10%2863-y%29=1080\"----------simplify and solve.\r
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\n" ); document.write( "\n" ); document.write( "\"5y%2B2%2863-y%29=216\"-----divided both members by 5;\r
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\n" ); document.write( "\n" ); document.write( "\"5y-2y%2B2%2A63=216\"\r
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\n" ); document.write( "\n" ); document.write( "\"%285-2%29y=216-2%2A63\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28216-2%2A63%29%2F%285-2%29\"-------uncomplicated computation\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28y=30%29\"-----quarters
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