document.write( "Question 1077033: solve: if 3 coffee and 2 donuts = 8.75 and 1 coffee and 2 donuts = 4.25 what is the cost of 1 coffee\r
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Algebra.Com's Answer #691597 by Boreal(15235)\"\" \"About 
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3C+2D=8.75
\n" ); document.write( "1C+2D=4.25
\n" ); document.write( "-1C-2D=-4.25
\n" ); document.write( "2C=4.50
\n" ); document.write( "C=$2.25
\n" ); document.write( "3C+2D=6.75+2D=8.75
\n" ); document.write( "D=$1
\n" ); document.write( "Check in second
\n" ); document.write( "2.25+2=$4.25 checks
\n" ); document.write( "Coffee is $2.25
\n" ); document.write( "Doughnut is $1
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