Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 6 - Algebra: Equations and Inequalities - 6.3 Applications of Linear Equations - Exercise Set 6.3 - Page 374: 27

Answer

$5$ years

Work Step by Step

Let $x$ be the number of years required. Then our equation is: $24000-3000x=9000\\-3000x=-15000\\x=5$
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