7/8 of that drink is water because 50 ml is 1/8 of 400 so the other 7/8 is water
        
             
        
        
        
The answer to your question is -5/12. I hope this helps!
        
                    
             
        
        
        
Answer:
Below.
Step-by-step explanation:
The common ratio = 1.6 / 0.2 = 8,  12.8 / 1.6 = 8.
The nth term = an = 0.2(8)^(n-1).
 
        
             
        
        
        
we are given 

and we have to find QE
we know that centroid divides median into 2:1 
so, for median AE
we can write it as

now, we can plug AE


now, we can find QE

we can plug AE=27
and we get 

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