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10 June, 14:24

At Best Buy they have a stereo system that sells for $2200 and is on sale for 15% and sales tax is 7%. What is the final cost? (Note, sales tax will be calculated on the sale price.)

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  1. 10 June, 18:11
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    Final cost = $3070.90

    Step-by-step explanation:

    First we need to find the discount

    Discount = original price * percent off

    Discount = 2200 *.15

    Discount = 330

    Sale price = original price - discount

    Sale price = 3200-330

    Sale price = 2870

    Now we need to calculate tax

    Tax = sales price times tax rate

    Tax = 2870 *.07

    = 200.90

    Final price = sales price plus tax

    Final price = 2870 + 200.90

    3070.90
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