
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
The length of the road is 300 km. Car $A$ starts at one end of the road at noon and moves at a constant speed of 50 km/h. At the same time, car $B$ starts at the other end of the road with a constant speed of 100 km/h, and a fly starts with a speed of 150 km/h. Upon meeting car $A$, the fly turns around and heads towards car $B$.

1) When does the fly meet car $B$?
2) If upon meeting car $B$, the fly turns around, heads towards car $A$, meets it, turns around again, and continues flying back and forth between $A$ and $B$ until they collide, when do the cars crush the fly?

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