College Algebra (6th Edition)

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

Chapter 1 - Summary, Review, and Test - Review Exercises - Page 204: 38

Answer

The plans will cost the same at 500 text messages.

Work Step by Step

15+0.05x=5+0.07x 0.02x=10 x=500 text messages
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