Answer:
381 cubic inches
Explanation:
To find the volume of the cube, use the volume formula for a rectangular prism V = l*w*h and for a triangular prism V = 1/2 l*w*h.
Rectangular prism
Substitute l = 16, w = 7, and h = 3.
V = 16*7*3 = 336 cubic inches
Triangular prism
Substitute l = 5, w = 3 and h = 6.
V = 1/2*5*3*6 = 45 cubic inches
Together the volume will be 336 + 45 = 381.