Based on an example from [i]For All Practical Purposes[/i] by COMAP: A toy manufacturer can manufacture only skateboards, only dolls, or some mixture of skateboards and dolls. Skateboards require 5 units of plastic and can be sold for a profit of $1, while dolls require 2 units of plastic and can be sold for a $0.55 profit. Suppose that there are 360 person-minutes of labor available and that making one skateboard requires 15 person-minutes and making one doll requires 18 person-minutes. Also, 60 units of plastic are available. What numbers of skateboards and/or dolls should be manufactured for the company to maximize its profit?
