Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-6 Multiplying and Dividing Real Numbers - Practice and Problem-Solving Exercises: 38

Answer

-30

Work Step by Step

According to the textbook, the diver goes down 90ft or -90 every 3 minutes. Therefore, for one minute, he goes down -90$\div$3=-30 or down 30 ft.
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