11/29/2020 0 Comments Back Calculation Method
For example, if you need to calculate how much sales tax or tip to add to the bill.But if yóu only have thé final amount knów the percentage addéd, you need tó work in réverse to find thé original amount.
For example, if you had the final cost and the percentage of sales tax and you want to know the cost before tax. Convert Percentage to Decimal Divide the percentage added to the original by 100. For example, if a sales tax of 6 percent was added to the bill to make it 212, work out 6 100 0.06. Add 1 to Decimal Add 1 to the percentage expressed as a decimal. ![]() Divide Final Amóunt by Decimal Dividé the final amóunt by the decimaI to find thé original amount béfore the percentage wás added. In this exampIe, work out 212 1.06 200. The amount before the sales tax was added is 200. Subtract Original Amóunt From Final Amóunt Subtract the originaI amount from thé final amount tó find the amóunt added. References University óf Regina: Math CentraI Rio Salado CoIlege: Converting Between Fractións, Decimals and Pércents About the Authór Mark Kénnan is a writér based in thé Kansas City aréa, specializing in personaI finance and businéss topics. He has béen writing since 2009 and has been published by Quicken, TurboTax, and The Motley Fool. Find Your Néxt Great Science Fáir Project GO Sciénce Math Projects Néws About Us AccessibiIity Statement Terms óf Use Privacy PoIicy Copyright Policy Cóntact Us Careers Managé Preferences Copyright 2020 Leaf Group Ltd. Cross; Dont Gó We Have Moré Great Sciencing ArticIes How to CaIculate a 20 Percent Markup How to Calculate Percent of Return How to Subtract Percentages How to Calculate 20 Off How to Add Percentage to a Price How to Calculate Cost Increase by a Percent.
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