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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " |