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March 30, 2017

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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.

  • Math - ,

    help please !!!!!!!!!

  • Math - ,

    We know that there are 40 turtles tagged.

    In 2009, 16/50 = 32% of the population was tagged, making the population 40/.32 = 125 (P/40 = 50/16)

    In 2010, 8/30 = 26.7% of the population was tagged. So, the population is about 150 (P/40 = 30/8)

  • Math - ,

    thanks

  • Math - ,

    need help plz

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