Word problem math help?

To determine the number of deer in a forest, a naturalist catches, tags, and releases 70 deer. Later, 90 deer are caught, and 63 have tags. Estimate the number of deer in the forest.
Answer:_________deer

?2019-03-24T13:57:59Z

Favorite Answer

That's the Lincoln-Peterson* index. 63/90 = 70/n, where n=the number of deer in the population.

Lincoln to wildlife biologists, Peterson to fishery biologists.

Abel2019-03-24T14:12:57Z

The answer is 20 dear. If 70 deer are tagged and 90 are caught, it means there are 20 deer in the forest. Among 90 caught 63 are tagged, indicating that there are 7 more tagged deer left/lost in the forest.