
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
Marc drove at an average rate of 90 km/h and then stopped for 30 minutes to refuel. After the stop, he drove at an average rate of 110 km/h. Altogether he drove 300 km in a total trip time of 3.5 hours including the stop. Express the distance Marc drove before his stop in terms of the time $t$ he drove before his stop.

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