
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
Xiaohong walks up a mountain, resting for 10 minutes every 30 minutes. Walking down the mountain, she rests for 5 minutes every 30 minutes. The speed of walking down is $1 \frac{1}{2}$ times the speed of walking up. If Xiaohong took 3 hours and 50 minutes to walk up, how much time did it take to walk down?

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