
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
Country $X$ contains $40\%$ of the world's population and $35\%$ of the world's wealth. Country $Y$ owns $15\%$ of the world's population and $25\%$ of its wealth. Additionally, Country $Z$ has $10\%$ of the world's population and $20\%$ of its wealth. Assume that the wealth in each country is equally divided among its citizens. Find the ratio of the wealth of a citizen of $X$ to the combined average wealth of a citizen in $Y$ and $Z$.
A) $\frac{21}{44}$
B) $\frac{22}{45}$
C) $\frac{25}{50}$
D) $\frac{20}{40}$

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