{12x 4y = 15232x 12y = 42012x 4y = 15232x 12y = 420?In the equations, xx represents the cost of a chicken lunch and yy represents the cost of a v.... I think... "Xx represents the cost of a chicken lunch..."
Some rational numbers are 2.71, 2.72, 2.73, 2.74, 2.75, 2.76, 2.77, 2.78, 2.79 2.711, 2.712 2.713.... 2.721, 2.722, 2.723.... 2.731.... I think you get the point! Hope this helped!