SOLUTION: A researcher catches 60 fish from different locations in the lake. He then tags the fish and puts them back in the lake. Two weeks later, the researcher catches 40 fish from the sa

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Question 860152: A researcher catches 60 fish from different locations in the lake. He then tags the fish and puts them back in the lake. Two weeks later, the researcher catches 40 fish from the same locations. 8 of these 40 fish are tagged. Predict the number of fish in the lake.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Let x represent the number of fish in the lake

60%2Fx+=+8%2F40

     8x = 2400

      x = 300, the number of fish in the lake