
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 boat traveled from port A to port B with the current and took 2 hours. It took 2.5 hours to return from port B to port A against the current. Given that the speed of the current is 3 km/h, what is the average speed of the boat in still water?

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