
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
Mr. Fat can eat a pound of cereal in 15 minutes, while Mr. Thin can finish it in 25 minutes. If they collaborate, how long will it take for them to eat four pounds of cereal together? Provide your answer in minutes.

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