Answer:
So the water level of pond reduces by 8.16 centimeter over 25.5 days.
Explanation:
Average change in pond's water level = -0.32 centimeter.
Duration considered for taking the average of change in pond's water level = 25.5 days.
Total change in the pond's water level = -0.32*25.5 = -8.16 centimeter
So the water level of pond reduces by 8.16 centimeter over 25.5 days.