Question

the population of a town increases 15% every year if the present population is 20700 find the population a year ago ​

Answer 1

Answer:

Since the population increases 15% every year.

so population have increased 15 % of the population of last year.

now if the population the last year all the previous year be 'x'.

then "x + (15 % of x) = 20700", which is the current population.

so, now find x.

according to my calculation x = 18000.

Answer 2

17595

Step-by-step explanation:

1. population increased every year=15 %
2. current population=20700
3. population a year ago=20700-(20700-%15)
4. =20700-3105
5. =17595