then R =

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then R =

by sanju09 » Fri Jul 23, 2010 4:28 am
If V = 12R / (r + R), then R =
A. Vr / (12 - V)
B. Vr + V /12
C. Vr - 12
D. V / r - 12
E. V (r + 1) /12

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by gmatmachoman » Fri Jul 23, 2010 4:31 am
sanju09 wrote:If V = 12R / (r + R), then R =
A. Vr / (12 - V)
B. Vr + V /12
C. Vr - 12
D. V / r - 12
E. V (r + 1) /12

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Pick A