
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 Jack 45 minutes to bike uphill 3 km from his home to the park, but it takes him only 15 minutes to bike from the park to home along the same route. What is his average speed, in km/hr, for the round trip?

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