In City Lake, researches caught, marked, and released 213 bass. Later, they took a sample of 104 bass and found that 13 were marked. Estimate the number of bass in the lake.

Question

Mathematics

Royce Hendricks

7 December, 10:24

In City Lake, researches caught, marked, and released 213 bass. Later, they took a sample of 104 bass and found that 13 were marked. Estimate the number of bass in the lake.

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Darian Daugherty · Answer 1

13 out of the 213 tagged returned

13/213 is estimate of how many fraction returned

proportional, marked/totalmarked≈caught/totalinlake

213/13=total/104

times both sides by 104*13 (cross multiply)

213*104=total times 13

22152=total times 13

divide both sides by 13

about 1704 bass in the lake