Answer:
156 buttons in each container
Step-by-step explanation:

Perimeter=22 inches
Area=121/4 inches
X>Y
X=7Y
3X=7+4Y
X=?
Y=?
----------------------------
3*7=7+4Y
21Y=7+4Y
21Y-4Y=7
17Y=7
Y=7/17
----------------------
X=7*7/17
X=49/17
This is a triangular prism.
The lateral faces are triangles; this means that the two bases are parallel to one another. This makes it a prism instead of a pyramid.
The bases being triangles makes it a triangular prism.
Divide 235/5 so 47 check by doing 47 times 5 it checks so the answer is 47