The present population of a town is 91260. It increases every year at the rate of 30 percent. What was the population of the town 2 years ago?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 54000.
The population two years ago be denoted as ( P0).
⇒ P2 = P0 × (1.30)2
P2 = 91,260
⇒ 91,260 = P0 × (1.30)2
⇒ 91,260 = P0 × 1.69
⇒ P0 = 91,260 / 1.69
⇒ P0 = 54,000