
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
Given the speed of sound is approximated as 1100 feet per second, the time between the lightning flash and the thunder is 15 seconds, and one mile is 5280 feet, estimate, to the nearest quarter-mile, how far Charlie Brown was from the flash of lightning.

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