
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
A college math class has  $N$  teaching assistants. It takes the teaching assistants  $5$  hours to grade homework assignments. One day, another teaching assistant joins them in grading and all homework assignments take only  $4$  hours to grade. Assuming everyone did the same amount of work, compute the number of hours it would take for  $1$  teaching assistant to grade all the homework assignments.

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