For the following exercises, solve the system for x, y, and z. At one time, in the

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For the following exercises, solve the system for x, y, and z.

At one time, in the United States, 398 species of animals were on the endangered species list. The top groups were mammals, birds, and fish, which comprised 55% of the endangered species. Birds accounted for 0.7% more than fish, and fish accounted for 1.5% more than mammals. What percent of the endangered species came from mammals, birds, and fish?

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Precalculus

ISBN: 9781938168345

1st Edition

Authors: Jay Abramson

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