
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
Carlos took $80\%$ of a whole pie, and Maria then took one fourth of what remained. Calculate the percentage of the pie that was left after Maria took her share.

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