Respuesta :

After the first 18 years, the population of 1500 will be doubled to 3000.

After the next 18 years, making 36 years total, the population of 3000 will double to 6000.

Answer:

6000 people

Step-by-step explanation:

At time 0  there are 1500 people

It doubles every 18 years

18 years later there are 2*1500 = 3,000

18+18 = 36 years  It doubles again 2*3000 = 6000