Answer:
The answer is A.
Step-by-step explanation:
The water in the first tank decreases by 10, and the starting water is 80
The water in the second tank decreases by 12, and the starting water is 60.
Answer A. says that the water in the second tank decreases faster, which is true since 12 is more than 10. It also says that the first tank starts with more water, which is also true since 80 is more than 60