
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 master and his apprentice have to complete the production of 500 parts. The apprentice produces 15 parts per hour, and the master produces 20 parts per hour. After the apprentice has produced 45 parts alone, the remaining parts are to be completed together by both the master and the apprentice. How much more time is needed to complete the production task?

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