Respuesta :

altavistard

Answer:

The previous year's population was 12000.

Step-by-step explanation:

Let the previous year's population be P.  Then:

P + 0.04P = 1.04P = 12480.

Solving 1.04P = 12480 results in P = 12000

The previous year's population was 12000.

habtamuAbebaw

Step-by-step explanation:

12480*4/100

= 1248* 0.4

=499.2 is 4% of 1280

:. 1280 - 499.2

780.8 is previous year's population

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