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) ![]() You can put this solution on YOUR website! 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!!! \n" ); document.write( " \n" ); document.write( " |