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Mathematics 5 Online
OpenStudy (anonymous):

Suppose the cost of manufacturing 10 units of a product is R40 and the cost of 20 units is R70. If the cost c is linearly related to output Q (units produced). Find the cost of producing 35 items. [1] R115,00 [2] R121,67 [3] R113,33 [4] R65,00 [5] None of the above.

OpenStudy (anonymous):

Any Ideas?

OpenStudy (aravindg):

Form the linear equation and solve for k and c. Then substitute for 35 items. 10k+c=40 20k+c=70

OpenStudy (anonymous):

what are k and c?

OpenStudy (anonymous):

as in their definitions.

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