Question

the population of a town decreased by 12% in 2 years. if the population was 120000 at the beginning, what is the population after 2 years
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Answer 1

Answer:

let the population 2 years ago be x

according to question

x(112/100)(90/100)= 50400

x=50000

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Answer 2

Answer:

105,600

Step-by-step explanation:

Decrease % = 12%

Period = 2 years

Total population at the beginning = 120,000

Population decrease = 12% x 120,000  =  $\frac{12}{100} * \frac{120 000}{1}$  = 14,400

The population after 2 years = Beginning population - Population decrease

                                                =           120,000             -             14,400

                                                =                               105,600