Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 1 - Whole Numbers - 1.10 Solving Application Problems - 1.10 Exercises: 27

Answer

Estimate: $200; Exact: $185

Work Step by Step

To estimate, we round the individual costs and the value package cost ($785 to $800), add the individual costs together, and then subtract the value package cost to get the amount saved: (300 + 100 + 400 + 200) - 800 = 1000 - 800 = 200. To find the exact amount saved, we add the actual individual costs and subtract the actual value package cost: (299 + 67 + 395 + 209) - 785 = 185.
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