document.write( "Question 719466: two movie tickets and one dinner cost $65. The two movie tickets cost $15 less than the dinner.what is the price of the two tickets and the dinner \n" ); document.write( "
Algebra.Com's Answer #441363 by mananth(16946) You can put this solution on YOUR website! x= cost of movie ticket \n" ); document.write( "y= cost of dinner \n" ); document.write( " \n" ); document.write( "2 x + 1 y = 65 .............1 \n" ); document.write( "y-2x=15 \n" ); document.write( "-2.00 x + 1 y = 15.00 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by -1 \n" ); document.write( "Multiply (2) by 1 \n" ); document.write( "-2.00 x -1 y = -65.00 \n" ); document.write( "-2.00 x + 1 y = 15.00 \n" ); document.write( "Add the two equations \n" ); document.write( "-4.00 x = -50.00 \n" ); document.write( "/ -4.00 \n" ); document.write( "x = 12.50 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "2.00 x + 1.00 y = 65.00 \n" ); document.write( "25.00 + y = 65.00 \n" ); document.write( " y = 65.00 -25 \n" ); document.write( " y = 40.00 \n" ); document.write( " y = 40.00 \n" ); document.write( "x= 12.50 cost of movie tickets \n" ); document.write( "y= 40.00 cost of dinner \r \n" ); document.write( "\n" ); document.write( "2 tickets cost $25 \n" ); document.write( "dinner costs $40 \n" ); document.write( "m.ananth@hotmail.ca \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |