Answer:
yearly salary = $54,708
Explanation:
Let monthly salary be x
Let yearly salary be y
Let number of months be n
To estimate your average monthly salary, divide your yearly salary by the number of months in a year. This can be written as
x = y divided by n

Therefore, writing an equation to determine yearly salary is the same as making the yearly salary 'y' the subject of the formula above:

where y = ???
x = $4,559
n = 12 months

Therefore yearly salary = $54,708