
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
In an opaque bag, there are a total of 50 glass balls in red, black, and white colors. Except for the color, they are all identical. After many trials of drawing balls, Xiao Gang found that the probability of drawing a red or black ball is stable at 15% and 45%, respectively. The possible number of white balls in the bag is __________.

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