
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 truck travels 30 kph for 15 kilometers, 55 kph for 35 kilometers, 45 kph for 30 minutes, and 50 kph for 20 minutes. What is the average speed of the truck, in kph?

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