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: 24

Answer

Rounded: 59 Actual: 59.22

Work Step by Step

The estimated cost of the six grocery items is obtained by rounding of the values, 4 + 8 + 29 + 4 + 13 + 1 = 59 Actual cost of the six grocery items = 59.22 It is a reasonable estimate when comparing to the actual value, only a $.22 difference.
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