
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
At the beginning of my bike ride, I feel energetic and can travel at 22 miles per hour. Later, as I get tired, I slow down to 15 miles per hour. If I travel a total of 142 miles in 8 hours, including a 0.5-hour rest where no distance is covered, for how many hours did I feel energetic? Express your answer as a common fraction.

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