Question

The population of a town is increase at the rate of 5% . Find the population after 4 years if its present population is 60200​

Answer 1

Answer:

76800

Step-by-step explanation:

Population after n years = Present Population =(1+

100

r

)

n

Population after 2 years =50000(1+

100

5

)

2

=50000(

100

105

)

2

=50000×

100

105

×

100

105=5×105×105=55125

Answer 2

Answer:

compound interest is also used to find population

here,

p=60200

r=5%

n=4 years

= 60200*(1+5/100)⁴

60200*(105/100)⁴

60200*(105/100)*(105/100)*(105/100)*(105/100)

60200*1.05*1.05*1.05*1.05

= 73173.47

population after 4 years is 73173.4 approx.