
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 total length of the highway between locations A and B is 200 kilometers, which is 20 kilometers shorter than the original national road. After the highway is opened, the speed of a long-distance bus increases by 45 kilometers per hour. The travel time from location A to location B is reduced by half. Find the speed at which the long-distance bus traveled on the original national road.

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