document.write( "Question 858947: San has only quarters and dimes in his pocket. He has a total if 12 coins, totaling $1.95. How many of each coin does Sam have? Write a system of equations for the total number of coins & total value of money. \n" ); document.write( "
Algebra.Com's Answer #517477 by josgarithmetic(39630)\"\" \"About 
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q for quarters and d for dimes.\r
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\n" ); document.write( "\n" ); document.write( "\"q%2Bd=12\" and \"0.25q%2B0.1d=1.95\"; and this second equation could use some simplifying.\r
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\n" ); document.write( "\n" ); document.write( "\"25q%2B10d=195\"
\n" ); document.write( "\"5q%2B2d=39\"\r
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\n" ); document.write( "\n" ); document.write( "Work with the system as:
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\n" ); document.write( "q+d=12
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\n" ); document.write( "5q+2d=39
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\n" ); document.write( "\n" ); document.write( "Without giving explanation:
\n" ); document.write( "\"5q%2B2d-%282q%2B2d%29=39-24%7D%7D%0D%0A%7B%7B%7B3q=15\"
\n" ); document.write( "\"highlight%28q=5%29\", and you find d.
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