Answer: 136,000
Explanation:
Firstly, we know that 2% of 100,000 is going to be -> 2000
The current population is, 100,000.
We're asked for 2% for 18 years.
Ergo, we will do 2000 * 18 and get -> 36,000
Finally, all we do is take 100,000 and add 36,000.
Therefore, the answer will be 136,000.