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: 28

Answer

Estimate: $200; Exact: $205

Work Step by Step

To estimate, we round the individual costs and the value package cost (1495 to 1500), add the individual costs together, and then subtract the value package cost to get the amount saved: (300 + 200 + 400 + 300 + 100 + 400) - 1500 = 1700 - 1500 = 200. To find the exact amount saved, we add the actual individual costs and subtract the actual value package cost: (299 + 185 + 395 + 321 + 51 + 449) - 1495 = 205.
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