Your answer would be 518 Cubic inches.
18.5 * 7 = 129.5
129.5 * 8 = 1036 (Full planter aka not what we want)
If we take the height and divide it be 2 then we would get 4in (halfway full)
So 129.5 * 4 = 518 Cu.
I hope I helped!
Answer:
what? Is this like a challenge or something?
Answer:
9/10
Step-by-step explanation:
the rule says

so in our case
a=3
b=4
c=5
d=6
so the division is

we can simplify

that's our answer
I don't know if you need step by step of the rule, if you need let me know