
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
In all the classes of a school, there were the same number of students. After a fire, six classes of the school were deemed unfit for use, and therefore five students had to be added to each remaining class where lessons were held. But then, due to damage caused by water from fire hoses, ten more classes were considered to be in a hazardous condition. As a result, fifteen more students had to be added to each of the remaining classes that were still in good condition.

How many students were there in this school?

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