Answer:
219 employees
Explanation:
3% of decreasing rate of employees per year is calculated thus:



In 9 years,


Therefore, the number of employees for a certain company where decreasing rate of employees is 3% and continued to decrease for 9 years; and 810 employees are currently working is 219 employees. By implication, 810 + 219 = 1029 employees were working in the company 9 years ago.