Thinking Mathematically (6th Edition)

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

Chapter 1 - Problem Solving and Critical Thinking - 1.2 Estimation, Graphs, and Mathematical Models - Exercise Set 1.2: 66

Answer

Makes Sense.

Work Step by Step

This makes sense as you can estimate before hand if you have something that's too expensive. If you do, you can put it back before you go to the cash register and save time.
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