Are these two separate questions?
What do you mean by version
Answer:

Step-by-step explanation:
The computation of the water did Audrina drink altogether is as follows:

Now in a mixed fraction, it would be

Hence, the water did Audrina drink altogether is 
3x + 2y - 4z/x for x=5, y=-2, z=10
3x + 2y - 4z/x
3(5) + 2(-2) - 4(10)/(5)
15 - 4 - 40/5
15 - 4 - 8
11 - 8
3
Answer:
it's -6 dollars per year.
Step-by-step explanation:
the expression would be (5-125)/(1995-1975) which would give you the average rate of change.