PARTIAL VARIATION ASSIGNMENT

  1. A quantity P is partly constant and partly varies as the square of q. When q=2, P=40. When q=3, P=65.

a. form an equation relating P and q

b. Determine the value of q when P=100

2. The cost (c) of printing a copy of a newspaper is partly constant and is also inversely proportional to the number (n) of copies printed. When 200 copies are printed the cost per copy is Shs 850. When 300 copies are printed the cost per copy is Shs 750.

a. Form an equation relating c and n.

b. calculate the cost per copy when 150 copies are printed.

Ashaba Fredrick

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