# Is this too much chocolate for one girl?

Emily really loves chocolate, but lately she has been indecisive on what kinds of chocolate to eat. She currently has a collection of various chocolate squares of 1 square inch, 2 square inches, and 3 square inches.

Type $$\quad$$ # of 1 square"$$\quad$$ # of 2 square"$$\quad$$ # of 3 square"

Milk $$\quad$$ $$\quad$$ $$\quad$$5 $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$3 $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$7

White $$\quad$$ $$\quad$$ 4 $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ 2 $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$1

Dark $$\quad$$ $$\quad$$ 2 $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ 3 $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ $$\quad$$ 2

If Emily is only allowed to eat 18 or less square inches of chocolate today, then how many combinations can she choose from to eat her chocolate?

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