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algebra

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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 -

    Is it?

    c = (2300/135)-1.35x

    or

    c = 2300/(135-1.35x)

  • algebra -

    c = 2300/(135-1.35x)

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