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March 4, 2015

March 4, 2015

Posted by **Ray** on Monday, June 13, 2011 at 11:22pm.

P(t)=(65)/(1+34e^(-0.223 t))

"t" is the number of days since the newspaper is first launched.

When will the newspaper reach 60% of the population

- Algebra -
**drwls**, Tuesday, June 14, 2011 at 1:31amSolve 60 = (65)/(1+34e^(-0.223 t))

(1+34e^(-0.223 t)) = 65/60 = 1.0833

34 e^(-0.223 t) = 0.0833

e^(-0.223 t) = 2.25*10^-3

-.223 t = -6.01

t = 27 days

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