#### Topic: Constraints

How do I create a graph that would color the area that satisfies these constraints:

3A – 2B >= 0

2A – 1B <= 200

1A <= 150

A, B >= 0

an example of what i'm going for looks along the lines of this (yes i know it's not the same constraints):

http://tinypic.com/r/2bb9ub/6

thanks