
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
Liam took a computer science examination which consisted of 50 problems: 15 on programming, 20 on data structures, and 15 on algorithms. He answered $80\%$ of the programming, $50\%$ of the data structures, and $70\%$ of the algorithms questions correctly. The passing grade for the test is $65\%$. How many more questions would Liam have needed to answer correctly to pass?

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