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April 16, 2014

April 16, 2014

Posted by **erika** on Saturday, February 4, 2012 at 11:51am.

- algebra -
**drwls**, Saturday, February 4, 2012 at 12:19pmR + 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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