
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
In a class of $k > 18$ students, the mean score of the entire class is $12$. If the mean of $18$ of these students' scores is $20$, what is the mean of the remaining students' scores in terms of $k$?
A) $\frac{2k}{k-18}$
B) $\frac{10k}{k-18}$
C) $\frac{12k-360}{k-18}$
D) $\frac{360-12k}{k-18}$

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