Posted by erika on Saturday, February 4, 2012 at 11:51am.
R + 8 = 2(W + 8)= 2W + 16
R*W = 384
Solve those two equations in two unknowns.
R = 2W + 8
(2W + 8)*W = 384
2W^2 + 8W -384 = 0
W^2 + 4W -192 = 0
(W + 16)(W - 12)= 0
W = 12 is the positive-value solution. Ignore the negative solution.
R = 32
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