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November 25, 2014

November 25, 2014

Posted by **Jose** on Wednesday, January 27, 2010 at 9:23pm.

- Calculus -
**Andy**, Thursday, January 28, 2010 at 12:40pmI think I am reading this wrong but this may not be a Calculus question.

<= means less than or equal to

>= means greater than or equal to

Rates

20*x 0 < x < 50

20-0.02*x 50 <= x <= 600

When buying 1-49 articles, it is $20 per article.

When buying 50-600 articles, it is $(20-.02*x).

As you buy more, the cheaper it gets until you reach 600, then it maintains at that cost which is $8 dollars per article.

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