Answer:
The actual water in the tank is 29.76 gallons.
Explanation:
It is given that the farmer estimated amount of water is 25 gallons.
It is also given that he underestimate the water in tank by 16%.
Let the actual water in tank be x.
![(1-(16)/(100))x=25](https://img.qammunity.org/2020/formulas/mathematics/high-school/5bm3aqsotb7757muppvrqjxhydf63t8io6.png)
![((100-16)/(100))x=25](https://img.qammunity.org/2020/formulas/mathematics/high-school/f30mh3e5srn1yvo75eefdkh2hvc4px6lqn.png)
![84x=25* 100](https://img.qammunity.org/2020/formulas/mathematics/high-school/5sopucgf1pnhgddfzr46eljowcqbk8v5p5.png)
![x=(2500)/(84)](https://img.qammunity.org/2020/formulas/mathematics/high-school/7k0i9cma8b97baf68tslus12wnumgpjc19.png)
![x=29.7619](https://img.qammunity.org/2020/formulas/mathematics/high-school/br5766s30k5ihzzrb7kt0wf1yllkyy756t.png)
![x\approx 29.76](https://img.qammunity.org/2020/formulas/mathematics/high-school/x3ly0rri9hlev165quh29pwzqw3dyagwgk.png)
Therefore the actual water in the tank is 29.76 gallons.