document.write( "Question 1117899: There were 390 people at a play. Admission was $12 each for adults and $5.50 for children. The receipts were $3991. How many adults and how many children attended? \n" ); document.write( "
Algebra.Com's Answer #733074 by josgarithmetic(39623)\"\" \"About 
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a, adults
\n" ); document.write( "c, children
\n" ); document.write( "\"system%28a%2Bc=390%2C12a%2B5.5c=3991%29\"\r
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\n" ); document.write( "\n" ); document.write( "Solve the system anyway you want.\r
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\n" ); document.write( "\n" ); document.write( "--\r
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\n" ); document.write( "\n" ); document.write( "\"a=390-c\"
\n" ); document.write( "-
\n" ); document.write( "\"12%28390-c%29%2B5.5c=3991\"
\n" ); document.write( "\"4680-12c%2B5.5c=3991\"
\n" ); document.write( "\"-6.5c%2B4680=3991\"
\n" ); document.write( "\"-6.5c=3991-4680\"
\n" ); document.write( "\"6.5c=4680-3991\"
\n" ); document.write( "\"c=%284680-3991%29%2F6.5\"
\n" ); document.write( "-
\n" ); document.write( "\"c=106\"------children
\n" ); document.write( "\"a=284\"------adults
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