| Math Problem
Y=2908x
100-x
Suppose a cost benefit model is given by the equation above, where Y is the cost in thousands of dollars of moving X% of pollutants. What % of pollutant can be removed for $40,000?
Homework where Im given a A,B,C,D answer but what I get doesn't match. Help please?
AREN'T YOU SUPPOSED TO:
Substitute 40 in for Y, and multiply both sides by 100-x to cancel out 100-x on bottom, and leave yourself with:
(100-x)40=2908X -> 4000-40x=2908x
4000-40x(+40x)=2908x(+40x)
4000=2948x
and then divide both sides by 2948 to get X?
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Last edited by Pains Requiem; 02-22-2008 at 11:23 PM.
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