
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
John drove 180 miles in 180 minutes. His average speed during the first 45 minutes was 40 mph, during the second 45 minutes was 50 mph, and during the third 45 minutes was 60 mph. Calculate John's average speed, in mph, during the last 45 minutes.

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