Advanced MathMediumCompound growth over three periods
Advanced Math practice question
A town's population is 2,000 and grows by 10% each year. What will the population be after 3 years?
Answer: 2662
2000 × 1.1³ = 2000 × 1.331 = 2,662.
Common wrong answers
- If you answered 2200
- 2,200 is after ONE year.
- If you answered 2420
- 2,420 is after TWO years.
- If you answered 2600
- 2,600 adds 200 three times (linear growth); each 10% is of the current population.
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