SOLUTION: This question is from a worksheet on Rational expressions and has 5 parts. I have tried to figure some parts. Am I correct? 1. The cost, in millions of dollars, to remove x % o

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: This question is from a worksheet on Rational expressions and has 5 parts. I have tried to figure some parts. Am I correct? 1. The cost, in millions of dollars, to remove x % o      Log On

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Question 212806: This question is from a worksheet on Rational expressions and has 5 parts. I have tried to figure some parts. Am I correct?
1. The cost, in millions of dollars, to remove x % of pollution in a lake
modeled by 6000/200-2x
a. What is the cost to remove 75% of the pollutant?
28.5 million
b. What is the cost to remove 90 % of the pollutant?
28.2 million

c. What is the cost to remove 99% of the pollutant?
28.02 million
d. For what value is this equation undefined?

e. Do the answers to sections a–d match your expectations? Why or why not?
Thank you for the help.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
Your answers are correct according to the stated formula.
HOWEVER it doesn'r make sense that removing more pollutants would cost less.
I believe the formula is incorrect for the stated condition.