I think it’s b but I’m not sure
        
                    
             
        
        
        
Answer:
 for brand x for 1 fluid ounces
 for brand x for 1 fluid ounces
 for brand y
 for brand y
0,75-0,65=0,1
Brand x costs $0,1 less
Step-by-step explanation:
 
        
             
        
        
        
Add 5 to both sides
5-5+x/3=5-11
0+x/3=-6
x/3=-6
times both sides by 3
3x/3=-18
x=-18
        
             
        
        
        
Copy and paste ur answer onto internet it will tell u