In the Previous Problem, How Much of X, Y, and Z

Multiple Choice

In the previous problem, how much of X, Y, and Z are left after a long period of time?

A) $x = 0 , y = 5 , z = 5$
B) $x = 5 , y = 5 , z = 0$
C) $x = 5 , y = 0 , z = 5$
D) $x = 0 , y = 0 , z = 10$
E) none of the above