a local artist working at the town fair makes caricatures and portraits. the caricatures cost $4 to make white

the portraits cost $10 to make. it takes 20 minutes to make a caricature and 30 minutes to make a portrait. the

artist can spend no more than $360 for supplies and can stay no more than 20 hours at the fair. she would like

to charge $10 for a caricature and $20 for a portrait. she is going to donate all proceeds of the weekend fair to a

local charity. how many caricatures and how many portraits should she make in order to maximize the

donation for the charity?

1. identify the variables for this problem.

2. write four inequalities that constrain the problem.