SOLUTION: S=c-b/b-a solve for b W=P(2R/R-r) solve for R

Question 436327: S=c-b/b-a solve for b
W=P(2R/R-r) solve for R
Answer by stanbon(75887) (Show Source): 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
---
b(S+1) = Sa+c
b = (Sa+c)/(S+1)
========================
W=P(2R/(R-r)) solve for R
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W(R-r) = 2PR
----
WR - Wr = 2PR
W(R-r) = 2PR
---
W = (2PR)/(R-r)
================
Cheers
Stan H.
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