
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 group of friends drove $180$ miles to a campground averaging $36$ miles per gallon in a minibus. For their return trip, they switched to a van and averaged only $24$ miles per gallon. Calculate the average fuel efficiency, in miles per gallon, for the entire round trip.
A) 28.8
B) 30.0
C) 25.0
D) 33.3

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