Teresas five test grades for the semester are 86%, 78%, 68%, 92%, and 72%. Her final exam

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Teresa’s five test grades for the semester are 86%, 78%, 68%, 92%, and 72%. Her final exam counts one-third of her final grade. What range of grades on her final exam would result in Teresa receiving a final grade of B in the course?

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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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Question Posted: Jan 12, 2019 12:41 PM

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Teresas five test grades for the semester are 86%, 78%, 68%, 92%, and 72%. Her final exam

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Let x the final exam grade The semester average 86 74 ...View the full answer

A Survey of Mathematics with Applications

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