There are 30 adults in the swimming pool.
The ratio is a quantitative approach that shows the relation between two proportions.
From the given relation, the ratio of of the children to adults = 8 : 3
The total number of the ratio = 8 + 3 = 11
Given that there are 110 people in the population.
The number of adults that are there will be:
[tex]\mathbf{=\dfrac{3}{11}\times 110}[/tex]
= 30 adults
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