Answer:
A.
Step-by-step explanation:
Blueberries 
7/8 + 8/9 = 1  55/72
1  55/72 x 4 =
1 = 72
72 + 55 = 127
127/72 x 4/1 = 504/288
504/72 = 7/1 
7
Even tho 7 isn´t an option I would pick A. because it is the closest
 
        
             
        
        
        
The answer is 4x that the answer
        
                    
             
        
        
        
Answer:
25%
Step-by-step explanation:
 
        
                    
             
        
        
        
16/10=1.6 so the smallest number of combos would be 1.