
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
Margaret started a new stamp collection. She collected 10 stamps on the first day. Each subsequent day, she collected 10 more stamps than she had collected the previous day. If she continued collecting stamps for 7 consecutive days, what was the average number of stamps collected per day?

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