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7 May, 19:12

Find the total cost of a spa treatment of $42 including 6% sales tax and 20% tip

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  1. 7 May, 19:21
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    Cost of the spa treatment = $42

    Percentage of sales tax = 6%

    Percentage of tips = 20%

    Normally the tips amount is calculated before adding sales tax.

    Then

    Amount of tips given = (20/100) * 42

    = (1/5) * 42

    = 8.40 dollars

    Amount of sales tax taken = (6/100) * 42

    = 252/100

    = 2.52 dollars

    Then

    The total amount spent for spa treatment = (42 + 8.40 + 2.52) dollars

    = 52.92 dollars

    So we can see that $52.92 has been spent in total for spa treatment and this amount includes a sales tax of $2.52 and a tip of $8.40.
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