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15 December, 16:17

a store is offering a 20% discount off one item. you also have a coupon for 5$ off one item. Which composite function repressents the fina price if the coupon is applied before the discount

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  1. 15 December, 16:44
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    See below.

    Step-by-step explanation:

    If the original price is $p then final price is calculated as follows:

    We start with p - 5 because the coupon was applied before the discount.

    Final price = $ (p - 5) - 0.2 (p - 5)

    = p - 5 - 0.2p + 1

    = $ (0.8p - 4).
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