document.write( "Question 414326: What is an algebra expression equation for the cost of a party is $5,115.50 when a childs plate cost $5.50 and and adult plate cost $12.00 and the total number of people are 546? \n" ); document.write( "
Algebra.Com's Answer #290611 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "total number of people are 546
\n" ); document.write( "Letting x and (546-x)represent the number of adults and children respectively...
\n" ); document.write( " 12.00x + 5.50(546-x) = $5115.50
\n" ); document.write( " 6.50x = 5115.50 - 5.50*546
\n" ); document.write( " x = 325, the number of adult plates. 221 children plates\r
\n" ); document.write( "\n" ); document.write( "CHECKING our Answer***
\n" ); document.write( " $12*325 + $5.50*221 = $5115.50 \n" ); document.write( "
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