
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
Sam drove a total of 120 miles in 120 minutes. His average speed during the first 40 minutes was 50 mph, and his average speed during the second 40 minutes was 55 mph. He had to stop for a duration of 5 minutes during the last 40 minutes due to traffic. What was his effective average speed, in mph, for the actual driving time in the last 40 minutes?

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