<h2>Firstly, we let for the number to be any number or letter.</h2>
Step-by-step explanation:
The above pictures shows working.
 
        
        
        
Answer:
2/9
Step-by-step explanation:
After Caroline's share,
1 - 1/9 = 8/9 is left
Sarah gets:
1/(1+3) of 8/9
1/4 × 8/9
2/9
 
        
             
        
        
        
Here you go. I hope this will help
 
        
        
        
Answer:
C because its the only one that fits the question its asking. 12-6 8-4 4-2
Step-by-step explanation: