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pickupchik [31]
1 year ago
6

Julius is studying populations of robins in the local area. He counts 12

Mathematics
1 answer:
AleksAgata [21]1 year ago
8 0
Well, he recaptured 3 out of the 7 he marked. We can presume that the other 5 are gone. The population would be 8 robins, because 4 of the robins Julius marked were not recaptured. Therefore, the population is around 8-10 robins.
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