Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 4 - Number Representation and Calculation - 4.3 Computation in Positional Systems - Exercise Set 4.3 - Page 235: 59

Answer

Makes sense

Work Step by Step

Makes sense because we count seconds and minutes between $0$ and $59$ thus arithmetic operations work between them as they do in base $60$.
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