
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
Currently, there are three types of saline solutions with concentrations of 3%, 8%, and 11%, named A, B, and C, weighing 50 kg, 70 kg, and 60 kg respectively. Now, using these three types of saline solutions, we want to prepare 100 kg of saline solution with a concentration of 7%. The maximum amount of saline solution C that can be used is ___ kg.

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