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An animal shelter houses dogs​, cats​, and ferrets. There are 144 animals at the shelter. Of the​ animals, one fourth are dogs. Eight ninths of the remaining animals are cats. How many of the animals are ferrets​?

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Answer:

12

Step-by-step explanation:

1 - 1/4 = 3/4 (remaining animals which are cats and ferrets)

1 - 8/9 = 1/9 (means 1/9 of the remaining animals are ferrets)

1/9 x 3/4 = 1/12 (means 1/12 of the animals are ferrets)

1/12 x 144 = 12 ferrets

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