Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 1 - Whole Numbers - Review Exercises - Page 107: 123


Estimate: 87,000; Exact: 74,052

Work Step by Step

The total cost is found by adding the cost of the baking ovens (price x quantity) and the cost of the warming ovens (price x quantity). To estimate, we round 32 to 30, 1538 to 2000, 28 to 30, and 887 to 900. Then we calculate the total cost using the estimated numbers: 30*2000 + 30*900 = 87,000 To find the exact total, we calculate using the actual numbers: 32*1538 + 28*887 = 74,052
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