A culture initially has P subscript 0 number of bacteria. At t = 1 hour ...

 A culture initially has P subscript 0 number of bacteria. At t = 1 hour, the number of bacteria is measured to be 3/2 P subscript 0. If the rate of growth is proportional to the number of bacteria P (t) present at time t. Determine the time necessary for the number of bacteria to triple.