
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
Pauline Bunyan can now shovel snow at the rate of $25$ cubic yards for the first hour, decreasing by $1$ cubic yard each subsequent hour. Her driveway is $5$ yards wide and $12$ yards long. Due to the slope, depth varies linearly from $2$ yards at the top to $4$ yards at the bottom. Unfortunately, due to slight snowfall throughout her shoveling, $2$ cubic yards of snow are added back each hour. How many total hours will it take her to shovel the driveway clean?
A) 8
B) 9
C) 10
D) 11 
E) 12

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