
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
Some students are organizing a fundraiser by washing cars. Initially, $30\%$ of the group are girls. Later on, three girls leave and three boys arrive, which changes the percentage of girls in the group to $20\%$. How many girls were initially in the group?
**A)** 6  
**B)** 8  
**C)** 9  
**D)** 10  
**E)** 12

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