Suppose that each of the 314 million adults in South America is fluent in Portuguese or Spanish.

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Suppose that each of the 314 million adults in South America is fluent in Portuguese or Spanish. If 170 million are fluent in Portuguese and 155 million are fluent in Spanish, how many are fluent in both languages?

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Finite Mathematics and Its Applications

ISBN: 978-0134768632

12th edition

Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair

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Question Posted: Feb 12, 2018 08:33 AM

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Suppose that each of the 314 million adults in South America is fluent in Portuguese or Spanish.

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Finite Mathematics and Its Applications

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