
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
(2010•Gaochun County Mock Test) An advertisement from a travel agency reads as follows: "Our agency organizes a 'One-Day Tour to Gaochun'. The pricing is as follows: If the group size does not exceed 30 people, the cost per person is 80 yuan; if the group size exceeds 30 people, then for each additional person, the cost per person decreases by 1 yuan, but the cost per person cannot be lower than 50 yuan." A certain organization arranged for a group of its employees to join this 'One-Day Tour to Gaochun' and paid the travel agency a total of 2800 yuan. How many employees from this organization participated in the tour?

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