Answer:
(16,90)
Explanation:
I think you mean that the add has 16 lines in it. Is that correct? If it is then you start by putting 16 in for x.
y = 5*16 + 10
y = 80 + 10
y = 90
So x = 16
and y = 90
You write that as an ordered pair like this: (16,90)