
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
There was a batch of books that needed organizing, which would take 40 hours to complete by one person alone. A group of people were initially arranged to do the task. After 2 hours, two members of the group had to leave for other tasks, and the remaining people continued to work for another 4 hours to complete the job. Assume that each person works at the same rate. How many people were initially arranged to organize the books?

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