18 years passed between 2000 and 2018.
50 people x 18 years = 900 people
1,200 + 900 = 2,100 people in 2018
To find out what year the population will be 7,500, divide 7,500 by 50.
7,500 ÷ 50 = 150
So, in 150 years the population will be 7,500.
2018 + 150 = The year 2168