Answer:
Salary last year = $54500
Explanation:
Since your current salary is $55,590.00 and it's your old salary raised by 2%, we can use the equation o + 0.02o = 55590 to solve for x, your original salary:
o + 0.02o = 55590
(1.02o = 55590) / 1.02
o = 54500
Thus, your salary last year was $54500.