Homework Help: algebra

Posted by lateefah on Sunday, August 14, 2011 at 6:48pm.

the cost, in millions of dollars to remove x% of pollution from a smokestack is expressed as:
c=2300/135-1.35x
what is the cost to remove 70% and also 99%

algebra - Ms. Sue, Sunday, August 14, 2011 at 7:01pm
Is it?

c = (2300/135)-1.35x

or

c = 2300/(135-1.35x)
algebra - Anonymous, Sunday, October 16, 2011 at 10:29pm
c = 2300/(135-1.35x)

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