
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
Angelina drove at an average rate of 60 km/h and then stopped for 30 minutes to rest. After the stop, she drove at an average rate of 90 km/h. In total, she covered 300 km in a total trip time of 4 hours including the stop. Formulate the equation that could be used to solve for the time $t$ in hours that she drove before her stop.

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