math
posted by lindsay .
a species of orchid is being studied. The population 'p' at time 't' years after the study started is assumed to be p = 2800ae^0.2t/1 + ae^0.2t where 'a' is a constant. Given tnat there were 300 orchids when the study started.
a. show that a =0.12
b. use the equation with 'a' = 0.12 to predict the number of years before the population of orchids reaches 1850.

no idea anyone know :(