Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 6 - Percent - 6.6 Solving Application Problems with Percent - 6.6 Exercises - Page 444: 58



Work Step by Step

In Exercise 57, we could not add the excise tax and sales tax together to find the total tax rate. This is because the excise tax was a flat, fixed amount and not a percent like the sales tax. Thus it would not make sense to add them.
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