Question

In 1987, the population of Black Footed Ferrets in the world was 18 individuals. By 1989 through captive breeding, the number rose to 120. What percent change is this

Answer 1

In 1987, the population of Black Footed Ferrets in the world was 18 individuals. By 1989 through captive breeding, the number rose to 120.  percent change in this [(120-18)/2]/18.

Why did black-footed ferrets become extinct?

There may have been as numerous as 5 million black-footed ferrets in the United States in the earlier 1900s. while by the 1970s they were stressed to be expired as a result of habitat fragmentation and general prairie dog drops due to: Being slowly exterminated.

Thus, the number rose to 120.  percent change in this [(120-18)/2]/18.

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