Thinking Mathematically (6th Edition)

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

Chapter 1 - Problem Solving and Critical Thinking - Chapter 1 Test - Page 45: 1

Answer

Deductive Reasoning.

Work Step by Step

It is deductive reasoning because it states that if you get above an 80%, your lowest quiz grade will be dropped. Since he got a 90%, he meets the requirement and is guaranteed to have his lowest quiz score dropped. Thus, it is deductive reasoning as we can say for sure.
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