Question

A certain city has a population of 10000 and increases by 4% per year. What will the population be 5 years later? (The answer has been simplified.)

53782


12167


12000


30000

Answer 1

Option B is correct.

Explanation:

A city has population = 10000

Population increase each year = 4%

So, Population increase after 1 year = 10000 * 4%

= 10000*4/100

= 400

Adding in the current population:

10000+400 = 10,400

Population increase after 2 year = 10,400*4%

= 10400*4/100

= 416

Adding in the current population:

10400+416 = 10816

Population increase after 3 year = 10,816*4%

= 10816*4/100

= 433

Adding in the current population:

10816+433 = 11,249

Population increase after 4 year = 11,249*4%

= 11249*4/100

= 450

Adding in the current population:

11249+450 = 11,699

Population increase after 5 year = 11,699*4%

= 11699*4/100

= 468

Adding in the current population:

11699+468 = 12167

So, the population after 5 yeras will be 12167.

Option B is correct.