Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 3 Linear Systems and Matrices - 3.1 Solve Linear Systems by Graphing - 3.1 Exercises - Problem Solving - Page 157: 38a


See below.

Work Step by Step

Let $x$ be the number of years we owned the refrigerator. Then our equation for the cost of refrigerator A is: $600+50x$. The equation for the cost of refrigerator B is: $1200+40x$.
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