If you start a biology experiment with 5,000,000 cells and 25% of the cells are dying every minute,how long will it be before there are fewer than 1000 cells?

Answer 1

5000000(3/4)^t < 1000
(3/4)^t < 1/5000
t ln(3/4) < ln(1/5000)
t > 29.6 minutes

Answer 2

Why don't use 1/4 as rate of dying