
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 baker wants to use up all his flour to make bread. Working alone, he would be able to use up all the flour in 6 hours. With a helper, the same task could be completed in 2 hours. The baker started working alone and, after some time, tired, he called his helper. Thus, after 150 minutes the flour was used up. For how many minutes did the baker work alone?
(a) 30
(b) 35
(c) 40
(d) 45
(e) 50

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