document.write( "Question 448357: Two kilograms of hamburger and three kilograms of chicken cost $5.55. One kilogram of hamburger and two kilograms of chicken cost $3.37. Find the cost of one kilogram of hamburger and the cost of kilogram of chicken? \n" ); document.write( "
Algebra.Com's Answer #308510 by mananth(16946) You can put this solution on YOUR website! Hamburger------------x cost \n" ); document.write( "chicken ------------ y cost \n" ); document.write( "2x+3y=5.55 .............1 \n" ); document.write( "x+2y=3.37 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by -2 \n" ); document.write( "Multiply (2) by 3 \n" ); document.write( "-4x-6y=-11.1 \n" ); document.write( "3x+6y=10.11 \n" ); document.write( "Add the two equations \n" ); document.write( "-1x=-0.99 \n" ); document.write( "x = 0.99 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "2x+3y=5.55 \n" ); document.write( "1.98 +3y=5.55 \n" ); document.write( "3y=5.55 -1.98 \n" ); document.write( "3y=3.57 \n" ); document.write( "y=1.19 \n" ); document.write( " \n" ); document.write( " |