Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 4 - Section 4.1 - Solving Systems of Linear Equations in Two Variables - Exercise Set: 79

Answer

$5000 \text{ DVDs are sold at } \$21 \text{ per DVD}$

Work Step by Step

The supply is equal to the demand at the point of intersection of the two graphs. Since the given graphs intersect at $(5,21)$, then the supply equals the demand when $ 5000 \text{ DVDs are sold at } \$21 \text{ per DVD} .$
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