
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 school has 50 students in grade 10, 40 students in grade 11, and 40 students in grade 12 who are enrolled in an elective tennis course. A stratified sampling method is used to select a sample from these 130 students. It is known that 8 students have been selected from grade 11. The number of students that should be selected from grade 10 is $\_\_\_\_\_\_$.

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