The answer would be=22.9n
28 you take eight plus eight plus six plus six
Assuming n is the number of signers.
7 is 10% of y.
7 = 0.1y
y = 70
n is 80% of y
n = 0.8y
n = 0.8(70)
n = 56
56 signers
Answer: Second option.
Step-by-step explanation:
Given the function f(x), which is:

And given the function g(x), which is:

You need to substiute the function
into the function
in order to find
.
Therefore, through this procedure, you get this answer:


You can observe that this matches with the second option.