Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.5 Survey Problems - Exercise Set 2.5: 15

Answer

The number of elements in set A or set C = 28

Work Step by Step

From the given Venn diagram, the regions I, II, IV, V. VI. VII belongs to set A or set C. It's given from the Venn diagram that, The number of elements belongs to region I = 5 The number of elements belongs to region II = 1 The number of elements belongs to region IV = 2 The number of elements belongs to region V = 7 The number of elements belongs to region VI = 3 The number of elements belongs to region VII = 10 Therefore the number of elements in set A or set C = 5 + 1 + 2 + 7 + 3 + 10 = 28.
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