Task: Question Answering
Input (English): Question: Jackie has two solutions that are 2 percent sulfuric acid and 12 percent sulfuric acid by volume, respectively. If these solutions are mixed in appropriate quantities to produce 60 liters of a solution that is 5 percent sulfuric acid, approximately how many liters of the 12 percent solution will be required?

 Option A: 18

 Option B: 20

 Option C: 24

 Option D: 36

 Option E: 42
Output (English): Option A