
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
The traffic on a certain north-south highway travels uniformly, with northbound vehicles moving at 70 miles per hour and southbound vehicles moving at 50 miles per hour. A northbound driver observes 25 southbound vehicles within a five-minute period. Assume that the vehicles in the southbound lane are equally spaced. What is the closest number to the number of southbound vehicles present in a 150-mile section of this highway?
A) 350
B) 375
C) 400
D) 425
E) 450

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