Answer:
Initial population = 76,000
Change in 1st year = 10% increased
Change in 2nd year = 20% decreased
Formula used:
Calculation:
Final population = 76,000 × (110/100) × (80/100)
⇒ Final population = 76,000 × (11/10) × (4/5)
⇒ Final population = 66,880
∴ The final population after 2 years is 66,880