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

..............Answer