
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 very clever kiosk owner received several packs of envelopes, each containing 100 envelopes, for sale. He counts 10 envelopes in 10 seconds. How many seconds will it take him to count 60 envelopes? And 90 envelopes?

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