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A biologist catches 46 fish in a pond, tags them, and then releases them back into the pond. On a later visit to the pond, the biologist catches 20 fish, of which 8 are tagged.


Which is the best estimate for the number of fish in the pond?



66



115



368



920

Respuesta :


[tex] \dfrac{8}{20} = \dfrac{46}{x} [/tex]

[tex]8x = 920 \\ x = 115[/tex]

Answer is 115.

Hope this helps. - M

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