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11 November, 10:33

How can u determine the total cost of an item including tax if you know the price of the item and the tax rate

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  1. 11 November, 12:02
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    There are 2 ways. You can take the initial price and multiply it by the tax rate and then add them together, or you can take the tax rate and add 1 to it and the product will be the final answer.

    For example:

    If the price is 2 and the tax rate is 7 cents a dollar, it will look like this:

    2.00 *.07 =.14

    2.00 +.14 = 2.14

    OR

    2.00 * (1 +.07)

    2.00 * 1.07 = 2.14
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