I already a seed you when you asked this the first time. The answer is 3.
You multiply both sides by 50 and then you get this 
(In the picture)
        
             
        
        
        
Answer: 8.525
Step-by-step explanation:
 
        
             
        
        
        
7.6 - 5(k + 1.1) = 1.6
7.6 - 5(k + 1.1) - 7.6 = 1.6 - 7.6
-5(k +1.1) = -6
-5(k + 1.1) -6
-------------- = ---------
 -5 -5
k + 1.1 = 6
 -----
 5
k + 1.1 - 1.1 = 6
 ----- - 1.1
 5
k = 0.1
        
             
        
        
        
Answer:
1250ml
Step-by-step explanation:
1/4litre=250ml
1500-250