I would actually use division. So divide 56 by 8, and you'll get 7.
Or you can multiply 7 times 8 and get 56.
Hope this helps!
♤MidnightQueen
        
                    
             
        
        
        
Answer:
I believe the correct answer is B.  
Step-by-step explanation:
 
        
             
        
        
        
Answer:
40
Step-by-step explanation:
n/10+5=9
n/10=9-5
n/10=4
n=4*10
n=40
 
        
             
        
        
        
15 minutes= 2 problems 
75 / 15 = 5
2 x 5 = 10 problems
        
                    
             
        
        
        
The answer is B.33, this is because the numbers are increasing by 2's. (+2,+4+,+6, ect.)