Enter your answer and show all the steps that you use to solve this problem in the space provided. A researcher tagged 40 giant turtles in 2008. In 2009, she returned and captured 50 turtles, 16 of which were tagged. In 2010, she returned again and captured 30 turtles, 8 of which were tagged.

Use a proportion to estimate the turtle population for 2009.
Use a proportion to estimate the turtle population for 2010.