
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 certain school's 7th grade has three classes: Class 1 has 40 students, Class 2 has 36 students, and Class 3 has 44 students. All three classes send students to participate in the 7th "Xueyong Cup" Mathematics Application Competition at the same proportion. It is known that a total of 30 students from the entire grade did not participate. Therefore, the number of students from Class 1 who participated in the competition is ___.

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