Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 8 - Systems of Linear Equations and Problem Solving - 8.8 Business and Economics Applications - 8.8 Exercise Set - Page 563: 18


4000 units

Work Step by Step

(a) The total profit is equal to the revenue minus the cost. Thus, the total profit function is: $$30x-120,000$$ (b) The break even point is where the revenue and costs are equal: $$20x+120000=50x\\ x=4000$$
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