
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
Given that the student drove 150 miles at an average of 25 miles per gallon and 180 miles at an average of 15 miles per gallon, calculate the average gas mileage for the entire journey.

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