SOLUTION: The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C= 8000/200-2x What is the cost to remove 7% of the pollutant?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C= 8000/200-2x What is the cost to remove 7% of the pollutant?       Log On


   

Question 335978: The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C= 8000/200-2x

What is the cost to remove 7% of the pollutant?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Plug in x=7 to get C=8000%2F%28200-2%287%29%29=8000%2F%28200-14%29=8000%2F186=43.01


So the cost to remove 7% of the pollutant is about 43.01 million dollars.


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Also, feel free to check out my website.

Jim