Thinking Mathematically (6th Edition)

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

Chapter 3 - Logic - 3.3 Truth Tables for Negation, Conjunction and Disjunction - Exercise Set 3.3 - Page 149: 79

Answer

See below.

Work Step by Step

The symbols mean that: p and q, or r, thus a statement is: The percent body fat in women peaks at age 55 and the percent body fat in men peaks at age 65, or men have more than 24% body fat at age 25. This is true because both p and q are true thus p and q is true, thus p and q, or r is true.
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