12 because you said 8+4 and it equal to 12 that how I got my answer or you can draw a model to.
Answer:
h= (V/πr²)(3)
Step-by-step explanation:
a farmer poured 20 gallons of milk in a huge hole
The next day, he brought 10 more gallons but gave 3 gallons to his animals
Later that day, he brought 1/4 gallon
How much does he have