# math

on monday biologists tagged 100 sunfish from a lake.on friday the biologists counted 12 tagged fish out of a sample of 400 sunfish from the same lake.estimate the total number of sunfish in the lake

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1. total number of fish --- x

use a simple ratio:

x/100 = 400/12
x = 100(400/12) = appr 3333 fish

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posted by Reiny

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