The answer is option three(photo for step by step)
 
        
        
        
Answer:
61 m^3
Step-by-step explanation:
The difference in volume is (5 m)^3 - (4 m)^3, or (125 - 64) m^3, or 
61 m^3
 
        
                    
             
        
        
        
There are many ways, but here is one:
x = 100 
Since ‘x’ is 100 and we want 100 more, we just need to add ‘x’ to 623
Answer: x + 623 (Make sure you define your ‘x’ value)
        
             
        
        
        
Is there any more information by any chance? Like possibly a table or chart or graph?