
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
It takes Mary 45 minutes to walk uphill 1.5 km from her home to school, and she rests for 15 minutes at school. Walking back home downhill along the same route takes her only 15 minutes. What is her average speed, in km/hr, for the entire trip, including the rest time?

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