Posted by **Al** on Sunday, October 3, 2010 at 7:02pm.

In cost in millions of dollars to remove x% of pollution is a lake modeled by C=5,000 over 200-2x.

(a) What is the cost to remove 50% of the pullutant.

- Algebra -
**Reiny**, Sunday, October 3, 2010 at 7:19pm
replace x with 0.5 in the formula and solve for C

C = 5000/(200-2(.5))

take over ....

(something fishy here, the cost increased from 25 Million for doing nothing at all, to only 25.13 Million to remove 50%)

## Answer this Question

## Related Questions

- Algebra - The cost, in millions of dollars, to remove x% of pollution in a lake ...
- ALGEBRA 117 - 1. The cost, in millions of dollars, to remove x % of pollution ...
- Algebra 2 - Are these correct...Please help 1. The cost, in millions of dollars...
- Algebra - 1. The cost, in millions of dollars, to remove x % of pollution in a ...
- algebra - The cost, in millions of dollars, to remove x % of pollution in a lake...
- ALGEBRA - 1. The cost, in millions of dollars, to remove x % of pollution in a ...
- math - The cost in millions of dollars, to remove x%of pollution in a lake is ...
- math - The cost in millions of dollars, to remove x%of pollution in a lake is ...
- Algebra - sorry it didn't paste the formula.. lets try again.... 1. The cost, in...
- Algebra (please help me) - The cost in millions to remove x% of pollution in a ...