
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 now takes 45 minutes to walk uphill 1.5 km from her home to school, and it takes her 15 minutes to walk downhill the same 1.5 km from school to home. What is her average speed, in km/hr, for the entire round trip?

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