Intermediate Algebra (6th Edition)

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

Chapter 4 - Section 4.3 - Systems of Linear Equations and Problem Solving - Exercise Set - Page 232: 32

Answer

$750$ units

Work Step by Step

Given, $C(x) = 0.8x+900$ $R(x) = 2x$ To find break-even point, $C(x) = R(x) $ $ 0.8x+900=2x$ $900=2x-0.8x$ $900=(2-0.8)x$ $900=1.2x$ $x = \frac{900}{1.2} = \frac{9000}{12} = 750$ $750$ units must be sold to break-even.
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