
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
Mary set out on her bicycle to visit her sister, traveling at an average speed of $15$ kilometers per hour. When she had gone 40% of the distance to her sister's house, a tire went flat, and she walked the rest of the way at $4$ kilometers per hour. Overall, it took her $36$ minutes to reach her sister's house. Calculate how far, in kilometers rounded to the nearest tenth, did Mary walk.

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