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At the local drive-in theater, the manager sold 200 tickets. Adult tickets cost $9 each, while children's tickets cost $5 each. If the theater sold $1420 worth of tickets, how many adult tickets and how many children's tickets were sold?\r
\n" ); document.write( "\n" ); document.write( "Let number of adult tickets sold be x
\n" ); document.write( "and the number of child tickets be y
\n" ); document.write( "the manager sold 200 tickets.
\n" ); document.write( "x+y=200---------------------------------1\r
\n" ); document.write( "\n" ); document.write( " Adult tickets cost $9 each, while children's tickets cost $5 each. If the theater sold $1420 worth of tickets\r
\n" ); document.write( "\n" ); document.write( "Revenue from sales\r
\n" ); document.write( "\n" ); document.write( "9x+5y =1420------------------------------2\r
\n" ); document.write( "\n" ); document.write( "Multiply (1) by 5 and subtract from (2)
\n" ); document.write( "9x+5y =1420
\n" ); document.write( "5x+5y=1000
\n" ); document.write( "4x = 420
\n" ); document.write( "x = 420/4
\n" ); document.write( "x= 105 the number of adult tickets sold
\n" ); document.write( "you continue \r
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