document.write( "Question 1001644: The Downtown Community Barbecue served 238 dinners. A child’s plate cost $3.10 and an adult’s plate cost $8.10. A total of $1,297.80 was collected. How many of each type of plate was served?\r
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Algebra.Com's Answer #618742 by rfer(16322)\"\" \"About 
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c+a=238
\n" ); document.write( "a=238-c
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\n" ); document.write( "3.10c+8.10a=1297.80
\n" ); document.write( "3.10c+8.10(238-c)=1297.80
\n" ); document.write( "3.10c+1927.80-8.10c=1297.80
\n" ); document.write( "-5c=1297.80-1927.80
\n" ); document.write( "-5c=-630
\n" ); document.write( "c=-630/-5
\n" ); document.write( "c=126 children
\n" ); document.write( "238-126=112 adults
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