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: 72

Answer

See below.

Work Step by Step

The symbols mean that: $p$ and not $r$, thus a statement is: The percent body fat in women peaks at age 55 and men do not have more than 24% body fat at age 25. This is true because $p$ is true but $r$ is false, thus $p$ and not $r$ is true.
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