In certain area population was 15,500 in 2010 and From 2010 till now population increased by 20% annually whereas death rate was 7% . What is the current population ..?
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Given:
In certain area population was 15,500 in 2010 and From 2010 till now population increased by 20% annually whereas death rate was 7% .
To find:
What is the current population ..?
Solution:
From given, we have,
The population was 15,500 in 2010.
The population increased by 20% annually whereas the death rate was 7%.
⇒ We need to add the 20% of the population to the population that was in 2010
⇒ We need to subtract the 7% of the population to the population that was in 2010
Therefore, we have,
The current population
= 15,500 + 20% of 15,500 - 7% of 15,500
= 15,500 + 20/100 × 15,500 - 7/100 × 15,500
= 15,500 + 3100 - 1085
= 17,515
∴ The current population is 17,515.
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