Chapter 5.3, Problem 18E

In Exercises 15-20 we suggest the use of technology. Round all answers to two decimal places.

Maximize $p=1.1x-2.1y+z+w$

Subject to $x+1.3y+z\le 3$

$1.3y+z+w\le 3$

$x+z+w\le 4.1$

$x+1.3y+w\le 4.1$

$x\ge 0,y\ge 0,z\ge 0,w\ge 0$.