Population

Algebra Level 1

The population of a village is 20000.If it increases by 10% per year, find the population after 3 years.


The answer is 26620.

Anuj Shikarkhane by Anuj Shikarkhane , 19, India

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3 solutions

Azadali Jivani
Jul 27, 2015

20000(1+10/100)^3=26620

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Ramiel To-ong
May 29, 2015

use: F = 20000( 1 + R )^3 R = 10% F = 26620

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Arunkumar Rajavel
Jul 26, 2014

Rise in 1st year = 20000 + 10% of 20000 = 20000 x 1.1 = 22000 In 2nd year = 22000 x 1.1 = 24200 In 3rd year = 24200 x 1.1 = 26620.

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Just use the formula 20000 ⋅ ( 1.1 ) 3 20 000\cdot(1.1)^3 .

mathh mathh - 6 years, 10 months ago

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