
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
Billy is curious about the average number of cookies in a certain brand of cookie packages. He buys 5 different packages and counts the cookies in each. The results are 5, 12, 18, 20, and 21 cookies per package. What is the average number of cookies per package, rounded to the nearest whole number?

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