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 443: 47


The total cost of the dictionary, including sales tax, is $18.43.

Work Step by Step

discount=rate*original $d=(0.06)(18.50)=1.11$ sale price=original-discount $s=18.50-1.11=17.39$ sales tax=rate*price $t=(0.06)(17.39)=1.04$ total cost=price+tax $tc=17.39+1.04=18.43$
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