Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 6 - Percent - 6.6 Solving Application Problems with Percent - 6.6 Exercises - Page 439: 6

Answer

The tax rate is 7%. Total cost is $89.88.

Work Step by Step

$5.88=(r)(84)$ $5.88\div84=(r)(84)\div84$ $0.07=r$ $cost=84+5.88$ $cost=89.88$
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