Question

0
In the beginning of the year 2017, the population of a village was 25,000 and the
rate of growth of population is 10% every year. In the beginning of 2018, if 500
people migrated to other places, what will be the population of the town in the
beginning of 2021?​

Answer 1

Step-by-step explanation:

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Answer 2

population of the town in the

beginning of 2021 = 35937

Step-by-step explanation:

the population of a village (p)= 25,000

rate of growth of population (R) =10%

time (T) = 1yrs [beginning (18 - 17) = 1yrs

people migrated to other place (O) = 500

pt = ?

we know

pt = p(1+R\100) ^T

= 25000(1+10\100) ^1

= 25000 x 1.1

=27,500

according to the question

the population of the town in 2018B.S (p) = pt- Out mig

= 27500 - 500

= 27000

Again,

so the population of the town in 2018B.S (p) = 27000

Rate (R) = 10%

time (T) = 3yrs [ beginning(2021 - 2018) =3yrs]

after 3 yrs (pt) = ?

we know

pt= p(1+R\100) ^T

= 27000(1+10\100)^3

= 27000(1.1)^3

= 27000 x 1.331

= 35,937

population of the town in the

beginning of 2021 = 35937