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24 August, 05:09

Shirts are on sale for 30% off. The original price of one shirt is $15. What is the total cost, in dollars, of 2 of these shirts at the sale price, including a 7% sales tax? Enter your answer in the space provided.

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  1. 24 August, 08:24
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    =22.47

    Step-by-step explanation:

    We are buying 2 shirts

    Before discount 2*15 = 30

    We get 30% off. That means we pay 70 percent of the price

    $30 * 70% =

    30 *.7

    21

    The cost of the shirts before tax is 21 dollars

    Tax is the cost of the shirts after discount times the tax rate

    tax = 21 * 7%

    tax = 21 *.07

    tax = 1.47

    We add the tax to the cost of the shirts

    Final cost = discount price + tax

    =21+1.47

    =22.47
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