
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
Chandler plans to buy a $600$ mountain bike. For his birthday, he received gifts from his grandparents, aunt, cousin, and an uncle: grandparents sent him $60$, aunt sent him $40$, cousin gave him $20$, and uncle gave him $30$. Chandler also earns $20 per week by mowing lawns. Calculate the number of weeks he needs to work in order to afford the bike.

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