Question

the population of a village in the year 2012 was 205450 and in 2013 the population was 217777. what is the percentage increase or decrease in the migration of people in the year 2013?​

Answer 1

Answer:

Since the population has now become 217777,

the population has increased....

% increase ==   217777-205450 = (12327 / 205450)*100

                                                       = 6%

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Answer 2

The percentage increase in the migration of people in the year 2013 is 6%.

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Let's understand a few concepts:

To calculate the percentage increase/decrease in the migration of people in the year 2013 we will use the following formula:

$\boxed{\bold{Percentage\:Increase/Decrease = \frac{New \:Value - Old\:Value}{Old\:Value}\times 100 }}$

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Let's solve the given problem:

The population of the village in the year 2012 = 205450

The population of the village in the year 2013 = 217777

We can see that there is an increase in the population in the year 2013 from the year 2012.

So,

The increase in the population is,

= [Population in 2013] - [Population in 2012]

= 217777 - 205450

= 12327

Therefore,

The percentage increase in the population is,

= $\frac{Difference}{Old \:population} \times 100$

= $\frac{12327}{205450} \times 100$

= $0.06 \times 100$

= $\bold{6\%}$

Thus, the percentage increase in the migration of people in the year 2013 is 6%.

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