1. 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.

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

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

Question

Ethan Hanson

Mathematics

31 July, 20:41

1. 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.

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

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

+1

Answers (1)

Know the Answer?

Jaron Arnold · Answer 1

Given:

2008 - 40 giant turtles tagged

2009 - 50 turtles capture where 16 were tagged

2010 - 30 turtles capture where 8 were tagged

2009:

40/x = 16/50

40*50 = 16x

2000 = 16x

2000/16 = x

125 = x

2010:

40/x = 8/30

40*30 = 8x

1200 = 8x

1200/8 = x

150 = x