
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 John drove 120 miles in 2 hours, with average speeds of 50 mph for the first 40 minutes and 60 mph for the next 40 minutes, calculate his average speed during the last 40 minutes.

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