Answer
See below.
Work Step by Step
Problems shouldn't be skipped. Tests are designed to follow a flow of thought and solving in the order will make the further problems easier.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 3 - Section 3.2 - Problem Solving and Business Applications Using Systems of Equations - Exercise Set - Page 207: 58
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