1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by
c=12000/-4x+400
Show your work on the following, as well as the answers. (Tip, leave the percent as percent, don’t convert to decimal. X% is 80%, not .80%)

a. What is the cost to remove 80 % of the pollutant?

Question

1.	The cost, in millions of dollars, to remove x % of pollution in a lake modeled by 
c=12000/-4x+400
Show your work on the following, as well as the answers. (Tip, leave the percent as percent, don’t convert to decimal.  X% is 80%, not .80%)

a.	What is the cost to remove 80 % of the pollutant?

anonymous · Answer

ah that is better.

anonymous · Answer

:)

anonymous · Answer

$$c=\frac{12000}{-4\times 80}+400$$

anonymous · Answer

-75.5+400=362.5

anonymous · Answer

are you sure this equation is correct?

anonymous · Answer

how did you put the equation in here but it doesnt look how you put it