Thinking Mathematically (6th Edition)

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

Chapter 5 - Number Theory and the Real Number System - 5.1 Number Theory: Prime and Composite Numbers - Exercise Set 5.1 - Page 257: 96

Answer

3:20 PM

Work Step by Step

The documentary plays at: 12:00, 12:40, 1:20, 2:00, 2:40, 3:20, 4:00, ... The movie plays at: 12:00, 1:40, 3:20, 5:00... The first common time in both lists is 3:20. They both play again at 3:20.
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