3 years ago

If the population of a town grew 21% up to 15,049. What is the population last year?

1 answer:

5 0

You can try formulating an equation to model this change:

Let 'x' be the population of the town last year. It follows that:
$1.21x = 15049 
$
and hence
$x = \frac{15049}{1.21}$

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