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4 April, 17:52

Carol buys a reference book that originally cost $87.50 for 15% off. She pays a sales tax of 4.5%. What is the total cost of the book?

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  1. 4 April, 17:56
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    [87.5 (100-15) / 100] (104.5) / 100

    (87.5*.85) (1.045)

    $77.72 (to nearest cent)
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