
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 Mr. Lee's calculus class, there are 50 students. 40 students took the first exam, and their average score was 85%. The remaining 10 students took the exam the next day, and their average score was 75%. What is the new class mean score? Express your answer as a percent.

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