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16 March, 15:36

a costume that normally sells for $10 is on sale for 10% off. After the deduction is taken, an additional 9% must be paid for sales tax. whay is the total cost to buy a costume

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  1. 16 March, 15:50
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    The total cost to buy a costume is $9.81

    Step-by-step explanation:

    $10 less 10% = 10 *.1 = $1

    Subtract 10% discount of $1

    $10 - $1 = $9

    Add on 9% sales tax

    $9 *.09 = $0.81

    Add sales tax to discounted price

    $9 + $0.81 = $9.81
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