Answer:1152 cubic in
v= L×W×H
v= 8×15×12
v= 1440 cubic in ( if the tank is 100% full)
BUT it is only 80% full
so
× 1440 = 1152 cubic in
HOPE THIS HELPED
I think its $6.22 for cat food
as a fraction it would be 74 over 25 in one way there might be other ways