Algebra 1: Common Core (15th Edition)

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

Chapter 1 - Foundations for Algebra - Common Core Cumulative Standards Review - Selected Response - Page 76: 14

Answer

$F$

Work Step by Step

If we want to know how much time is left on the CD, we need to subtract the amount of time we had already used from the total amount of time the CD holds. Let's translate this into an equation: $t = 80 - m$ The answer is option $F$.
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