document.write( "Question 1193840: With a view to estimating how many fish there are in a big lake, 25,000 fish are tagged and then released.
\n" ); document.write( "After some time 20,000 fish are captured and it is found that 50 of them are tagged.
\n" ); document.write( "Give an estimate of the number of fish in the lake.\r
\n" ); document.write( "\n" ); document.write( "50/20000= 1/400\r
\n" ); document.write( "\n" ); document.write( "25000 * 1/400= 10 000 000\r
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Algebra.Com's Answer #825889 by josgarithmetic(39616)\"\" \"About 
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That 20000 fish to be captured again is a very large number compared to the original number first estimated to be in the lake. \n" ); document.write( "
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