
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 car travels the first part of its journey, covering a distance of $b$ miles at a speed of 50 mph, and then completes another part where it travels for $2n+b$ miles at a speed of 75 mph. Calculate the total time taken by the car to complete its journey.

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