Answer:
y = 9
Step-by-step explanation:
Exponent Rule: 
xⁿ/x³ = x⁶
xⁿ⁻³=x⁶
n = 9
Bed mass. 12(9)-24/12, 12(9)-2, 108-2 = 106
Let’s find the volume of the small cubes.
1/3^3
1/27
Now multiply this by 567
567•(1/27)
21
The volume of the box is 21 inches cubed.