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OpenStudy (anonymous):
80 fish are caught tagged and released. Two weeks later 120 fish are caught three of which are found to have tags. Estimate the number of fish in the lake.
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OpenStudy (mathstudent55):
This is a proportion problem. 3 out of 120 fish is equal to 80 out of the total. Set up a proportion and solve it.
OpenStudy (anonymous):
360?
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