
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
A manufacturer built a machine that can address 600 envelopes in 10 minutes. He now intends to create another machine so that both machines operating together can address 600 envelopes in 4 minutes. Determine how many minutes \( x \) it would take for the second machine alone to address 600 envelopes.
A) \( \frac{10}{3} \) minutes
B) \( \frac{15}{3} \) minutes
C) \( \frac{20}{3} \) minutes
D) \( \frac{25}{3} \) minutes

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