Answer:
yea that makes sense
It literally tells you how to do it
Is it some kind of proof tho? Like the math makes sense but like I've never heard of this thing.
Answer:
24 
Step-by-step explanation:
volume formula= l x w x h
Box A:
4 x 3 x 4 = 48
Box B: 48/2 = 24
60a^5 is the answer to your question