X=9 hope it helps..................
        
             
        
        
        
Answer:
53+54+55+56
Step-by-step explanation:
I don't remember equation but I know this is the because I can roughly estimate the numbers by dividing by four and going from there
 
        
             
        
        
        
It equals 5/6. If you want to know why, just ask me.
        
                    
             
        
        
        
18:24 = 3/4
4:70 = 2/35
35:105 = 1/3
22:7 = 22/7
12:165 = 4/55