SOLUTION: (1/2)e^(0.2T) -11= 21. Solve for T

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Question 1004349: (1/2)e^(0.2T) -11= 21. Solve for T
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
From (1/2)e^(0.2t) - 11= 21
(1/2)e^(0.2t) = 32
e^(0.2t) = 64
now take ln
.2t = ln 64
and
t = (ln 64)/.2 = 20.79