In this exercise, you should set up the first tableau by hand, then
Excel pivot and Gauss-Jordan tool at the website) to do the pivoting
problem like the Simplex method tool for these exercises, as that
two decimal places.
Maximize $p = 2.2x + 2y + 1.1z + 2w$ subject to
$x + 1.5y + 1.5z + w \le 54.5$
$2x + 1.5y - z - w \ge 10$
$x + 1.5y + z + 1.5w \ge 20$
$x \ge 0, y \ge 0, z \ge 0, w \ge 0.$
p = 45
(x, y, z, w) = (15, 0, 5, 10)$
