SOLUTION: Write a function rule to describe. The selling price s(c) after a 45% markup of an item as a function of the stores' cost c.

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Question 413101: Write a function rule to describe.
The selling price s(c) after a 45% markup of an item as a function of the stores' cost c.
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

The selling price s(c) after a 45% markup of an item as a function of the stores' cost c.

 s(c) = c + .45c

 s(c) = (1 + .45)c

 s(c) = 1.45c