Basic College Mathematics (10th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0134467795

ISBN 13: 978-0-13446-779-5

Chapter 2 - Multiplying and Dividing Fractions - 2.8 Multiplying and Dividing Mixed Numbers - 2.8 Exercises - Page 178: 38

Answer

64 students

Work Step by Step

To solve this problem, we need to divide the total number of minutes of presentations by the number of minutes per presentation for a given student, which is 7.5 minutes. Doing this, we find: $$= \frac{480}{7.5} \\ =64\ students$$

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