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17 June, 10:03

Kenny wants to buy three shirts, which were originally priced 49.96 each. the store will discount the price of the third shirt and then apply a 7.1% tax to the total cost of all three shirts including the tax, what will be the mean cost of each shirt

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  1. 17 June, 10:14
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    Assuming that the discount of the third shirt is 50 %

    It means kenny paid (0.5*49.96) for the third shirt which is 24.98

    For the first three shirts he paid 49.96

    The total cost would therefore be;

    49.96+49.96+24.98 = 124.9

    Adding a tax of 7.1% the total cost becomes;

    1.071 * 124.9 = 133.7679

    The mean cost per shirt will therefore be;

    133.7679/3

    = 44.5893

    ≈44.59
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