Question

Jae Li creates this solid wooden sculpture for an art project.

Answer 1

Answer:

Yes I know the answer, It's C.

Answer 2

The volume of the sculpture will be found by partition he sculpture such that we find the volume of different parts as follows:
volume of cuboid is given by:
v=length*width*height
thus the volume of the sculpture will be:
Volume=(15*4*4)+(10*4*4)+(5*4*4)
volume=240+160+80
volume=480 cubic inches