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The cost C (in dollars) of making n feet of cabinet is reperesented by = 18n + 45. how many feet of cabinet are made when the cost is $441?

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  1. 9 June, 09:41
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    C = 18n + 45

    441 = 18n + 45

    441 - 44 = 18n + 45 - 45

    396 = 18n

    396/18 = 18n/18

    22 = n

    Therefore, 22 ft of cabinet is made when the cost is $441
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