Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 6 - Systems of Equations and Inequalities - 6-1 Solving Systems by Graphing - Practice and Problem-Solving Exercises: 39

Answer

In 16 weeks, the accounts will have the same balance.

Work Step by Step

Account One: b= (5/2)t+40 Account Two: b = 5t Set both equations equal to each other. Then, isolate t on one side: $ 2.5t+40 = 5t \\ 2.5t =40 \\ t=16$
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