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Apollo College

Pre-Algebra: Lesson 105

Percent Applications
Sales Tax

Lesson Description

Students solve word problems using the "sales tax" formula, which states: purchase price x sales tax rate = sales tax. Students also solve word problems using the "total price" formula, which states: purchase price + sales tax = total price. For example: The sales tax rate in Iowa City, Iowa, is 7%. How much sales tax is charged on a graphing calculator that costs $82? What is the total price?

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