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 213: 83

Answer

(1875, 4687.5)

Work Step by Step

We substitute one equation into the other to find: $ 2.5x = .9x+3000$ For this problem, we must first get x on one side of the equation, and then we divide. This gives: $ x = 1875$ Once we obtain this answer, we must substitute into one of the equations to find y: $ y = 2.5x = 2.5 \times 1875$ $y = 4687.5$
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