math

on monday biologists tagged 100 sunfish from a lake.on friday the biologists counted 12 tagged fish out of a sample of 400 sunfish from the same lake.estimate the total number of sunfish in the lake

  1. 👍 0
  2. 👎 0
  3. 👁 164
asked by ashley
  1. total number of fish --- x

    use a simple ratio:

    x/100 = 400/12
    x = 100(400/12) = appr 3333 fish

    1. 👍 0
    2. 👎 0
    posted by Reiny

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra

    Biologists tagged 180 fish in a lake on January 1. On February​ 1, they returned and collected a random sample of 45 ​fish, 15 of which had been previously tagged. On the basis of this​ experiment, approximately how many

    asked by Ruby on November 27, 2016
  2. Math

    Biologists tagged 180 fish in a lake on January 1. On February​ 1, they returned and collected a random sample of 4545 ​fish, 1515 of which had been previously tagged. On the basis of this​ experiment, approximately how many

    asked by Itati on November 26, 2016
  3. college algebra

    Biologists collected a sample of 600 fish from West Okoboji Lake on May 1 and tagged each of them. When they returned on June 1, a new sample of 800 fish was collected and 10 of these had been previously tagged. Use this

    asked by Anonymous on May 29, 2017
  4. Math

    Use the tagging and recapturing technique to estimate the number of fish in a pond. Suppose 140 fish were captured, tagged, and released. Then 50 fish were recaptured and among them 20 were found to be tagged. Estimate the number

    asked by Kirk on March 25, 2010
  5. MAth

    A biologist wants to estimate the number of fish living in a lake. She caught 106 fish, tagged each one, and then released them back into the lake. After a few days, she caught 227 fish, and found that 11 of them were tagged. Use

    asked by Santana on February 6, 2017
  6. Probability

    You catch and tag 100 fish from a lake and release them unharmed. The next day you return and catch 100 fish again, but only 20 of them are tagged. Estimate the total number of fish in the lake.

    asked by Bec on September 3, 2013
  7. Math help plz

    To determine the number of fish in a lake , a conservationist catches 500 fish, tags them, and releases them into the lake. Later, 120 fish are caught and 25 of them are tagged. Estimate the number of fish in the lake.

    asked by David on December 13, 2012
  8. algebra

    As part of a conservation effort for a lake, 70 fish were caught, tagged, and then released. Later, 80 fish were caught from the lake. Four of these 80 fish were found to have tags. Estimate the number of fish in the lake.

    asked by ashley on June 25, 2016
  9. Math

    As part of a conservation effort for a lake, 70 fish were caught, tagged, and then released. Later, 80 fish were caught from the lake. Four of these 80 fish were found to have tags. Estimate the number of fish in the lake.

    asked by Irma on June 23, 2016
  10. math

    If you put 200 tagged fish in a pond, then collect a sample of 50 and 8 of them are tagged. How many fish are in the pond?

    asked by Marley on July 18, 2017

More Similar Questions