College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 1 - Equations and Inequalities - Concept and Vocabulary Check - Page 132: 3


$0.15x + 4$

Work Step by Step

If we assume $x$ to be the amount of texts sent in a month, and we pay $0.15$ dollars per text, we can say that, at the end of the month, we pay $0.15x$. Since there is also an additional flat rate of $4$ dollars a month, we can conclude that the total paid for texts is: $$0.15x + 4$$
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