Question

If the annual birth rate and death rate are 7.8% and 58% respectively, calculate the population of ht the city after 3 years.

Answer 1

Answer: 130050

Step-by-step explanation:

The population of a city is 125000.

After one year,

previous population : 125000

No of births : 5.5/100 * 125000 = 6875

No of deaths : 3.5/100 * 125000 = 4375

Net population is 125000 + 6875 - 4375

=> 127500

After the second year,

previous population : 127500

No of births : 5.5/100 * 127500 = 7012

No of deaths = 3.5/100 * 127500 = 4462

Net population is 127500 + 7012 - 4462

=>130050

Therefore answer is 130050.

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