
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
Alyssa traveled a total of 108 miles in 2 hours. She drove the first hour at 50 mph and the second hour at varying speeds. During the first 30 minutes of the second hour, she drove at 55 mph. What was her average speed during the last 30 minutes of the trip?
A) 60 mph
B) 61 mph
C) 62 mph
D) 63 mph

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