Wildlife biologists catch, tag, and then release 120 deer back into a wildlife refuge. Two weeks later they observe a sample of 150 deer, 25 which are tagged. Assuming the ratio of tagged deer in the sample holds for all deer in the refuge, approximately how many deer are in the refuge?

Question

Mathematics

Janelle

13 July, 00:59

Wildlife biologists catch, tag, and then release 120 deer back into a wildlife refuge. Two weeks later they observe a sample of 150 deer, 25 which are tagged. Assuming the ratio of tagged deer in the sample holds for all deer in the refuge, approximately how many deer are in the refuge?

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Ezekiel Bradshaw · Answer 1

25 tagged deers, 125 deers not tagged

total of 120 tagged deers

120/25 = 4.8

125 x 4.8 = 600

600 + 120 = 720

So there are a total of 720 deers in the refuge.