Is there more to the question?
He got a 5% raise, so 28,140 is 105% of what it used to be.
105% means 1.05
(1.05) x (salary before increase) = 28,140
Divide each side by 1.05 :
Salary before increase = 28,140 / 1.05 = <u>26,800</u> .
The rest of the question is nonsense. The salary
before increase IS last year's salary.
Answer:
B
Step-by-step explanation:
The correct formula given is:

We need to solve for y. First, we isolate the "y" term:

Now, there's a "B" with y, to isolate the "y", we need to divide both sides by "B" and get "y":

Answer choice B is right.
Answer:
x is 5
Step-by-step explanation: