
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
To $m$ ounces of an $m\%$ solution of acid, $x$ ounces of water are added to yield a $(m-15)\%$ solution. If $m > 30$, calculate $x$.
A) \(\frac{10m}{m-15}\) 
B) \(\frac{15m}{m+15}\) 
C) \(\frac{15m}{m-15}\) 
D) \(\frac{20m}{m-15}\) 
E) \(\text{not determined by the given information}\)

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