
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
Zoltan's score was calculated by adding 4 points for each correct answer, subtracting 1 point for each incorrect answer, and adding 0 points for each unanswered question. Given that Zoltan's score is 135 points and he answered 45 questions, determine the number of questions that Zoltan answered incorrectly.

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