Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 9 - Section 9.4 - Variation and Problem Solving - Exercise Set - Page 663: 24


$0.8$ dollars

Work Step by Step

Let $C$ be the cost of producing a computer DVD Let $P$ be the number of computer DVDs produced $C=\frac{k}{P}$ $C=1.20; P=4000$ $1.20=\frac{k}{4000}$ $k=4800$ When $P$ is $6000$, $C=\frac{4800}{6000}$ $C=0.8$ dollars
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