document.write( "Question 1180653: A certain restaurant sells cups of coffee for $2 and donuts for $1.50. If the restaurant sold a total of 80 items and earned $141.50, how many donuts did the restaurant sell? \n" ); document.write( "
Algebra.Com's Answer #810388 by josgarithmetic(39620)\"\" \"About 
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c, coffee cups
\n" ); document.write( "d, donuts\r
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\n" ); document.write( "\n" ); document.write( "\"system%282c%2B1.5d=141.5%2Cc%2Bd=80%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%282c%2B1.5d=141.5%2C2c%2B2d=160%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"E2-E1\"\"eliminates\"\"c\";\r
\n" ); document.write( "\n" ); document.write( "\"0.5d=18.5\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28d=37%29\"
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