Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.8 - Modeling with Equations - Exercise Set - Page 125: 63

Answer

does not make sense.

Work Step by Step

There is an error in the equation; it should be $x-0.35x=780$. Thus, the statement does not make sense.
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