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March 28, 2015

March 28, 2015

Posted by **Kate** on Monday, January 21, 2008 at 11:59am.

- pre calc -
**Julie**, Monday, January 21, 2008 at 12:06pmits 2.4

- pre calc -
**Reiny**, Monday, January 21, 2008 at 2:32pmlet the number of .4 increases be n

so the number of circulation copies is 80,000-10,000n

and the price per copy is 1.6 + .4n

So income is =(1.6+.4n)(80000-10000n)

d(income)יא/dn = 16000-8000n = 0 for a max income

n=2, so there are 2 increases of .4, for a final price of 1.6 + .8 = 2.4 as Julie stated above

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