
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 $n$ ounces of a $n\%$ solution of acid, $y$ ounces of water are added to yield a $(n-15)\%$ solution. If $n>30$, then $y$ is
A) $\frac{15n}{n+15}$
B) $\frac{15n}{n-15}$
C) $\frac{10n}{n-15}$
D) $\frac{20n}{n-15}$

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