SOLUTION: A rural population is falling at a rate of 0.25% per year. If you wish to calculate its exact half-life, you should set the fractional growth rate per year to what?

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Question 1014910: A rural population is falling at a rate of 0.25% per year. If you wish to calculate its exact half-life, you should set the fractional growth rate per year to what?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
75%, or 0.75.
The function then becomes P+=+P%5B0%5D+0.75%5Et.
To find the half-life set P+=+P%5B0%5D%2F2 and solve for t.