sarahacluxton sarahacluxton

12-11-2018
Mathematics

contestada

I'm calculaing tip and tax on a total cost. Do I need to add th tax to the total, then calculate tip, or calcualte tip on the original cost?

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Sea2Ray Sea2Ray

13-11-2018

You would need to calculate the original cost with the tax then find the tip because the tip is always a percent out of the total cost including tax

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