document.write( "Question 444111: Help me solve. Tickets cost 6.25 and 9.75. 544 tickets sold for 4,107. How many of each sold? Is the equation (6.25*x)+(9.75*y)=4107. ? Thanks \n" ); document.write( "
Algebra.Com's Answer #306246 by mananth(16949) You can put this solution on YOUR website! (6.25*x)+(9.75*y)=4107 \n" ); document.write( "x+y=544\r \n" ); document.write( "\n" ); document.write( "1 x + 1 y = 544 .............1 \n" ); document.write( "6.25 x + 9.75 y = 4107 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by -9.75 \n" ); document.write( "Multiply (2) by 1 \n" ); document.write( "-9.75x-9.75y=-5304 \n" ); document.write( "6.25x+9.75y=4107 \n" ); document.write( "Add the two equations \n" ); document.write( "-3.5 x = -1197 \n" ); document.write( "/-3.5 \n" ); document.write( "x = 342.00 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "x+y=544 \n" ); document.write( "342+y=544 \n" ); document.write( "y =544-342 \n" ); document.write( "y=202 \n" ); document.write( " \n" ); document.write( " |