document.write( "Question 904715: If 109 people attend a concert and tickets for adults cost $4 while tickets for children cost $3 and total receipts for the concert was $395, how many of each went to the concert? \n" ); document.write( "
Algebra.Com's Answer #549092 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
a+c=109,
\n" ); document.write( "4*a+3*c=395
\n" ); document.write( "a=109-c
\n" ); document.write( "4*(109-c)+3*c=395
\n" ); document.write( "436-4c+3*c=395
\n" ); document.write( "-1*c=-41
\n" ); document.write( "c=41
\n" ); document.write( "a=109-c
\n" ); document.write( "a=68 at 4 and c=41 at 3
\n" ); document.write( "check
\n" ); document.write( "68+41=109
\n" ); document.write( "4*a+3*c=395
\n" ); document.write( "4*68+3*41=395
\n" ); document.write( "272+123=395
\n" ); document.write( "395=395
\n" ); document.write( "ok
\n" ); document.write( "
\n" ); document.write( "
\n" );