
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
Chloe and Ben are students in the same math class. Each of them solved half of the homework problems on their own and the other half together. Chloe answered correctly to 70% of the problems she solved alone, but ended with 84% of the total problems correct. Ben answered correctly to 80% of the problems he solved alone. Compute Ben's overall percentage of correct answers.
A) 85%
B) 87%
C) 89%
D) 91%
E) 93%

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