SOLUTION: Find t: 70=5+90e^.018t

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Question 415951: Find t:
70=5+90e^.018t
Answer by stanbon(57307) About Me  (Show Source):
You can put this solution on YOUR website!
Find t:
70=5+90e^.018t
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65 = 90*e^0.018t
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e^(0.018t) = 13/18
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Take the natural log of both sides:
0.018t = ln(13/18)
0.018t = -0.3254
t = -18.079...
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Cheers,
Stan H.
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