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
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
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