
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
The admission fee for an exhibition is $30 per adult and $15 per child. On a certain day, the exhibition collected $2700 in admission fees, with at least one adult and at least one child attending. Among all possible ratios of adults to children on that day, which one is closest to 1?

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