Answer:
Step-by-step explanation:
let 
denote grams of 
formed in 
mins.
For 
of we have:
of A and 
of B
Amounts of A,B remaining at any given time is expressed as:
of A and 
of B
Rate at which C is formed satisfies:
Apply the initial condition,
,to the expression above
Now at 
:
Substitute in X(t) to get
The answer is 1/27.
4/9 divided by 1/27 is 12
u = 19
Hope this helps, Good luck! (:
could u give me more detail?
(like y’s number)
