Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 8 - Personal Finance - 8.1 Percent, Sales Tax and Discounts - Exercise Set 8.1 - Page 496: 62


Item's total cost\ sales tax rate + sales tax = total cost

Work Step by Step

Multiply the cost of the item by the sales tax rate then add the decimal you get as the answer to the original cost to find your total cost. Example: A $25 shirt has a 6% tax rate, 25+ 0.06= 1.50, now add the 1.50 the the 25 dollar shirt, 25+1.50= 26.50
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