This looks like an incomplete answer to me...
I cannot see any diagram or window or opening, or any lines that indicate they are line AC or BD.
Answer:
9 cans per box
Step-by-step explanation:
72/8 = 9
...
75% in fraction is 3/4 and the decimal is 0.75
1/3+1/8+1/12+1/4=19/24
19/24=791.66
846.72-791.66=55.06
You write each fraction that is equivalent to a whole number like this 2/1, 3/1, 4/1 as 2 over 1 or 3 over 1 or 4 over 1