Maths homework question?

Posted on 2016-03-10 18:51:00 in Math by ALI

The cost c dollars of manufacturing n dining tables is the sum of three parts. One part presents the forced overhead cost c, another represents the cost of raw materials and is directly proportional to n and the third part represents the labour costs which are directly proportional to the square of n. 
a) if 5 tables cost $195 to manufacture, 8 tables cost $420 to manufacture and 10 tables cost $620 to manufacture, find the relationship between C and n.

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