February 21, 2017

Homework Help: Pre-Calculus

Posted by Ann on Monday, September 30, 2013 at 10:45pm.

A local photocopying store advertises as follows. " We charge 14 cents per copy for 150 copies or less, 6 cents per copy for each copy over 150 but less than 230, and 3 cents per copy for each copy 230 and above. " Let x be the number of copies ordered and C(x) be the cost of the job (in cents).

What would the cost be for x ≥ 230?

I really don't know how to do this...I thought the answer would be C(x) = 3x, but it's not. please help

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