
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
A man travels $m$ feet due north but now at a pace of $3$ minutes per mile. He returns to his starting point due south, now at a pace of $3$ miles per minute. Calculate the average rate in miles per hour for the entire round trip.
**A)** 0.5 miles per hour  
**B)** 1.0 miles per hour  
**C)** 1.5 miles per hour  
**D)** 3.0 miles per hour  
**E)** 4.5 miles per hour

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