You can put this solution on YOUR website! S= (c-b)/(b-a) solve for b
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S(b-a)= c-b
Sb+b = c+Sa
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b(S+1) = Sa+c
b = (Sa+c)/(S+1)
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W=P(2R/(R-r)) solve for R
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W(R-r) = 2PR
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WR - Wr = 2PR
W(R-r) = 2PR
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W = (2PR)/(R-r)
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Cheers
Stan H.
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