document.write( "Question 502266: A cash register contains only dimes and quarters. There are 65 coins worth $12.80 in the register. How many dimes and quarters are in the register?\r
\n" ); document.write( "\n" ); document.write( "I have tried to set up but can't figure it out.\r
\n" ); document.write( "\n" ); document.write( "i.e. I tried: 65 - .10d = quarters
\n" ); document.write( "65 - .10d + ??? = 12.80
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Algebra.Com's Answer #338804 by Alan3354(69443)\"\" \"About 
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A cash register contains only dimes and quarters. There are 65 coins worth $12.80 in the register. How many dimes and quarters are in the register?\r
\n" ); document.write( "\n" ); document.write( "I have tried to set up but can't figure it out.\r
\n" ); document.write( "\n" ); document.write( "i.e. I tried: 65 - .10d = quarters
\n" ); document.write( "65 - .10d + ??? = 12.80
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\n" ); document.write( "65 - d = q
\n" ); document.write( "10d + 25q = 1280
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