Adding and multiplying percents

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Now Playing:Add and multiply percents– Example 1
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  1. One video game is $25 before 12% sales tax. How much is 4 video games after tax?
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    Build your skill!Try your hand with these practice questions.
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    Notes
    Knowing how to add and multiply percentages is very useful in our daily life. Do you know how much sales tax you are going to pay for your new purchases? What is the sale price after discount? How do banks calculate interest? We will learn more in this section.