Answer:
Emma is right because Jon put ¨2.5¨ notebooks when there are really $5 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
450
Step-by-step explanation:
Step 1:
18 × 25 = 450
Answer:
450
Hope This Helps :)
 
        
                    
             
        
        
        
K=d
d=5
Since K is equal to d, and d is 5, the value of K is 5.
K=5
5(K)=5(d)
        
                    
             
        
        
        
The answer to the question is c