
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]


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Given that the total number of students across three grades in a junior high school is 1700, among which there are 600 students in the 7th grade, 540 students in the 8th grade, and 560 students in the 9th grade, and in a stratified sampling method, the sample is composed of 240 students from the 7th grade, determine the number of students from the 9th grade in this sample.

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