A uranium mining town reported population declines of 3.2%, 5.2%, and 4.7% for the three successive five-year

Question:

A uranium mining town reported population declines of 3.2%, 5.2%, and 4.7% for the three successive five-year periods 1985–89, 1990– 94, and 1995–99. If the population at the end of 1999 was 9320:
a. How many people lived in the town at the beginning of 1985?
b. What was the population lossin each of the five-year periods?