document.write( "Question 747692: Michael sold a total of 320 tickets at a fair. The money recived was $1255. Each adult ticket was $5 and each child ticket was $2. How many adult tickets did he sell. \n" ); document.write( "
Algebra.Com's Answer #455102 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! x + y = 320........(1) \n" ); document.write( "5x + 2y = 1255.....(2)\r \n" ); document.write( "\n" ); document.write( "Multiply (1) by 2\r \n" ); document.write( "\n" ); document.write( "2x + 2y = 640 \n" ); document.write( "5x + 2y = 1255\r \n" ); document.write( "\n" ); document.write( "Subtract \r \n" ); document.write( "\n" ); document.write( "-3x = -615 \n" ); document.write( " x = 205 \n" ); document.write( "Substitute x =205 in (1) \n" ); document.write( "205 + y = 320 \n" ); document.write( " y = 320 - 205 \n" ); document.write( " y = 115 \n" ); document.write( "So he sold 205 Adult tickets \n" ); document.write( "and 115 Children's tickets\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |