
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Teresa chooses to buy at least four hardcovers from a set of twelve volumes of the works by Ana Mendez, with each paperback priced at $18 and each hardcover priced at $30. She spends a total of $288. How many hardcover books did she end up buying?

Present the answer in LaTex format: \boxed{Your answer}
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