document.write( "Question 1199590: Hi
\n" ); document.write( "Box A contains $1 coins box B contains 50 cent coins and box C contains 20cent coins. A has 5 times as many coins as C. B has 12 fewer than A. C has half the number in B. How much money is in box A. \r
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Algebra.Com's Answer #833525 by josgarithmetic(39616)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "A, of $1, a
\n" ); document.write( "B of $0.5, b
\n" ); document.write( "C, of $0.10, c\r
\n" ); document.write( "\n" ); document.write( "\"system%28a=5c%2Cb=a-12%2Cc=b%2F2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"a=5c%2Cb=a-12%2Cb=2c\"\r
\n" ); document.write( "\n" ); document.write( "\"a-12=2c\"\r
\n" ); document.write( "\n" ); document.write( "\"c=%28a-12%29%2F2\"-------substitute this into the part, \"a=5c\".\r
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\n" ); document.write( "\n" ); document.write( "\"a=5%28a-12%29%2F2\"------the substitution\r
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\n" ); document.write( "\n" ); document.write( "\"2a=5%28a-12%29\"\r
\n" ); document.write( "\n" ); document.write( "\"2a=5a-60\"\r
\n" ); document.write( "\n" ); document.write( "\"3a=60\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight_green%28a=20%29\"-------------------makes for $20 .
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