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27-09-2016
Mathematics

Answered

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?

Verified Answer :

27-09-2016

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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