
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
When two ounces of water are added to a mixture of acid and water, the new mixture becomes $25\%$ acid. Upon adding two ounces of acid instead to this mixture, the mixture adjusts to $40\%$ acid. Determine the percentage of acid in the original mixture.
A) $20\%$
B) $25\%$
C) $30\%$
D) $33\frac{1}{3}\%$
E) $40\%$

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