document.write( "Question 319523: A movie theatre charges $7.50 for adults and $4.50 for children. The receipts for one showing of a movie were $540. If 80 tickets were sold, find how many tickets of each type were sold. \n" ); document.write( "
Algebra.Com's Answer #228867 by mananth(16946)![]() ![]() You can put this solution on YOUR website! A movie theatre charges $7.50 for adults and $4.50 for children. The receipts for one showing of a movie were $540. If 80 tickets were sold, find how many tickets of each type were sold.\r \n" ); document.write( "\n" ); document.write( "$7.50 for adults Let number of adults = x \n" ); document.write( " $4.50 for children. number of children =y \n" ); document.write( "Receipts = $540 \n" ); document.write( "tickets sold = 80 \n" ); document.write( ".. \n" ); document.write( "1...x+y=80 \n" ); document.write( "2...7.50x+4.50y=540 \n" ); document.write( "Multiply eq 1 by 7.5 and subtract eq2 \n" ); document.write( "7.5x+7.5y-7.5x-4.5y=60 \n" ); document.write( "3y=60 \n" ); document.write( "y=20 the number of children \n" ); document.write( "number of adults = 60 \n" ); document.write( " |