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 Sample KCSE Preparation Mathematics Paper 2 Questions and Answers

The total cost C shillings of manufacturing tv sets is partly constant and partly varies as the square of the number of the tv sets n manufactured. The total cost of manufacturing 50 tv sets is sh 500000 and the total cost of
manufacturing 80 tv sets is sh 968000.Find
a).an equation relating C and n.
b).the total cost of manufacturing 60 tv sets.

 (7m 50s)
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