
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
Given Tony works 3 hours a day and earns an hourly wage of $0.75 plus $0.25 for each full year of his age, during a nine-month period, Tony worked 80 days and earned $840. Determine Tony's age at the beginning of the nine-month period.

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