Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1-6 - Cumulative Review - Page 440: 43


15 books

Work Step by Step

Letting $x$ be the number of books that she ordered, we find: $$ 1.8+2.19x=34.65\\ 180+219x=3465\\ 219x=3285 \\ x=15$$
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