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: 25

Answer

The estimated annual income is 41600. The actual annual income is 39998.40.

Work Step by Step

Number of weeks in an year = 52 Income of the man = 19.50 per hour Hours to work per week = 40 Therefore, estimated annual income of the man is = 20 x 40 x 52 = $41600. Actual annual income = 39998.4 It is still a reasonable estimate, but the difference is 1,601.60.
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