Answer
The product will never break even.
Work Step by Step
Let $R=C$, we have $85x=105x+900$ or $-20x=900$ thus $x=-45$. Since $x$ represents the units produced and can not be negative, it means that the product will never break even.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 1 - Equations and Inequalities - 1.7 Inequalities - 1.7 Exercises - Page 159: 27
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