You have not said which 2014 exam (I assume you mean the June 2014 exam) and you have not said which constraint you are referring to – there are 5 constraints!!
The questions tells you that X is product Xeno and Y is product Yong. It also tells you the maximum demand for each, and so X must be less than or equal to 85,000 and Y must be less than or equal to 66,000.
Have you watched my free lectures on linear programming? The lectures are a complete free course for Paper F5 and cover everything needed to be able to pass the exam well.