
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 distance between points A and B is 3 kilometers. Mingming and Liangliang start walking from these two points at the same time and in the same direction. After 20 minutes, they still have not met and are 2900 meters apart. It is known that Mingming walks 80 meters per minute, while Liangliang walks $\qquad$ meters per minute.

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