document.write( "Question 60876: Adult tickets cost $18.00 children cost $8.00 there were 21 people total at the theatre and they collected $288.00 how many children attended? \n" ); document.write( "
Algebra.Com's Answer #41828 by checkley71(8403)\"\" \"About 
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18A+8C=288 &
\n" ); document.write( "A+C=21 THEN
\n" ); document.write( "A=21-C NOW REPLACE A BY (21-C) IN THE OTHER EQUATION
\n" ); document.write( "18(21-C)+8C=288
\n" ); document.write( "378-18C+8C=288
\n" ); document.write( "-10C=288-378
\n" ); document.write( "-10C=-90
\n" ); document.write( "C=-90/-10
\n" ); document.write( "C=9 SOLUTION.
\n" ); document.write( "THEN
\n" ); document.write( "A+9=21
\n" ); document.write( "A=21-9
\n" ); document.write( "A=12 SOLUTION
\n" ); document.write( "PROOF
\n" ); document.write( "18*12+8*9=288
\n" ); document.write( "216+72=288
\n" ); document.write( "288=288
\n" ); document.write( "MUCH BETTER PROBLEM!!!
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