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

User Mark Otaris
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22 feet of cabinet are made when the cost is $441.

First, subtract 45 from $441 (which is 396). Then, divide 396 with 18 to get the amount of feet :)
User Daniel Bonetti
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