Posted by Glen on Monday, December 3, 2012 at 12:32am.
;). Thanks to anyone who tried, but i figured it out on my own.
If anyone is interested in the answer....
a) p=100
b) means they can't remove 100% of the impurities.
c) 18,00 = (3600p/100 - p)
10,800(100 - p) = 3600p
1,080,000 - 10,800 = 3600p
1,080,000 = 14400p
p = 75
removing 75% will cost $10800.
This is what i got, if i did anything wrong please correct me!
Oops, typo.
10,800 = (3600p/100 - p) ***
oh, and i just realized, the equation didn't show up when i asked the question.
Suppose the cost C of removing p% of the impurities from the waste water in a manufacturing process is given by C(p) = (3600p/100 - p)**
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