
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
Person A drove 15 miles at a speed of 30 miles per hour and then increased their speed to 55 miles per hour. Find the number of miles they need to drive to achieve an average speed of 50 miles per hour.

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