Answer:
B. 7
Step-by-step explanation:
The original box must be 1 by 1 by 1. 
So then the new box would be 2 by 2 by 2. 
2×2×2=8
8-1=7
I hope this helps!
pls ❤ and mark brainliest pls!
 
        
             
        
        
        
Answer:
well assuming that it's linear the
Step-by-step explanation would be: something but you don't want that you want the answer assuming that 7 people came in every 4 trailers the slope or rate of change would be 7/4 and the initial value would be 5.