
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 sample of size 50 is drawn from the students of a school using stratified sampling. 15 students are drawn from Grade 10, and 20 students are drawn from Grade 12. Given that the school has 600 students in Grade 11, determine the total number of students in the school.

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