Percent Applications – Sales Tax

Sales Tax

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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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