document.write( "Question 350449: There are 400 people at the game. $2 per student and $3 for adults. A total of $1050 were sold. 400 people attnded the game. How many tix of each were sold?
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Algebra.Com's Answer #250500 by mananth(16946) You can put this solution on YOUR website! let students be x \n" ); document.write( "adults be y \n" ); document.write( "total = 400 \n" ); document.write( ".. \n" ); document.write( "student $2 \n" ); document.write( "adult $3 \n" ); document.write( "total $1050 \n" ); document.write( ".. \n" ); document.write( "x+y=400....................1 \n" ); document.write( "2x+3y=1050.................2 \n" ); document.write( "multiply equation1 by -2 and add it to eq.2 \n" ); document.write( "-2x-2y=-800 \n" ); document.write( "add \n" ); document.write( "3y-2y=1050-800 \n" ); document.write( "y=250 adults \n" ); document.write( "students will be 150 \n" ); document.write( " |