Marks of Bobbie = x
Then, marks of Georgia 
= 3 times marks of Bobbie
= 3 times m
= 3 × m
= 3m
 
        
             
        
        
        
I can’t see the whole thing take a picture of it again or explain the problem to me
        
             
        
        
        
Is there supposed to be a picture??
        
                    
             
        
        
        
Answer:
42
Step-by-step explanation:
The height of the pole is 4 times shorter than the length of the shadow 20÷5=4
The height of the building must be 4 times shorter than its shadow length 168÷4=42