Intermediate Algebra (6th Edition)

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

Chapter 4 - Section 4.1 - Solving Systems of Linear Equations in Two Variables - Exercise Set - Page 214: 91b

Answer

Ordered Pair Solution $(3,14)$

Work Step by Step

We have $$1)y=1.47x+9.26$$ $$2)y=0.13x+13.55$$ (1)-(2) $$1.47x-0.13x+9.26-13.55=0$$ $$1.34x=4.29$$ $$x=3$$ $$y=1.47*3+9.26 = 14$$ Ordered Pair Solution $(3,14)$
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