Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.3 - Further Solving Linear Equations - Exercise Set - Page 119: 28

Answer

z = 500

Work Step by Step

0.60(z - 300) + 0.05z = 0.70z - 205 Distribute: 0.60z - 180 + 0.05z = 0.70z - 205 Combine like terms: 0.65z - 180 = 0.70z - 205 Subtract 0.70z from both sides: -0.05z - 180 = -205 Add 180 to both sides: -0.05z = -25 Divide both sides by -0.05: z = 500
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions