Homework Help: Algebra

Posted by Ashley A. on Thursday, December 15, 2011 at 8:28pm.

The cost, in millions, to remove x% of pollution in a pond is modeled by the equation:

C=6350/(425-3x)

.

What is the cost to remove 75% of the pollution?

Hint: Plug in and calculate, do not convert to a decimal.

Can someone tell me how figure this out step by step recheck my answer PLEASEEEEEE!!! I tried to recheck AND IT DIDN'T COME UP WITH SAME Answer due tommorrow help me please
cost = 6350/(425 - 3(.25)) =$ 14.967

it would cost about $15 million

Algebra - bobpursley, Thursday, December 15, 2011 at 8:34pm
you should have 75 in the denominator, not .25

cost = 6350/(425-225)= you do it.
Algebra - Ashley A., Thursday, December 15, 2011 at 8:44pm
The answer would be 31.496 AM I CORRECT IT WOULD COST ABOUT 31 MILLION

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