
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 college student drove his compact car 150 miles home for the weekend, averaging 30 miles per gallon. For the return trip, the student drove his parents' more fuel-efficient SUV, covering 120 miles and averaged 25 miles per gallon. Determine the average gas mileage, in miles per gallon, for the entire round trip.
A) 26
B) 27
C) 28
D) 29
E) 30

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