Use the Following to Answer Questions

Use the following to answer questions :
At low densities and in the absence of any other beetle species,the population of a strain of the flour beetle called Tribolium castaneum grows at a per capita rate of 0.25 per week.In controlled lab conditions,this growth rate is reduced by 0.01 for every 100 individuals.The addition of a related beetle,Tribolium freemani,further reduces the per capita growth rate of T.castaneum by 0.03 for every 100 T.freemani individuals.
-If all of the T.freemani were removed and there were just 1,000 T.castaneum individuals,what would be the weekly per capita growth rate of the T.castaneum population?

A) 0.01
B) 0.03
C) 0.11
D) 0.15
E) 0.25