Answer: 9,301 people
Step-by-step explanation:
First find the number of years that have passed:
= 2020 - 1950
= 70 years
Population decreases every 10 years so in 7 years it would have increased:
= 70/10
= 7 times
In 2020 therefore:
= 18,000 * (1 - 9%)⁷
= 9,301 people
