
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
The ratio of the number of students in Grade 10, Grade 11, and Grade 12 in a high school is $2:3:5$. A sample of size $n$ is drawn using stratified sampling, and the sample contains 150 Grade 12 students. What is the value of $n$?

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