document.write( "Question 1126716: To determine the size of a​ park's moose​ population, naturalists catch
\n" ); document.write( "63 ​moose, tag​ them, and then set them free. Months later
\n" ); document.write( "20 moose are​ caught, of which 15 have tags. Estimate the size of the moose population.
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Algebra.Com's Answer #743034 by ikleyn(52852)\"\" \"About 
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document.write( "For solving such problems, the proportion is usually used\r\n" );
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document.write( "\"63_moose%2Fall_moose\" = \"15_moose%2F20_moose\",   or\r\n" );
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document.write( "\"63%2Fx\" = \"15%2F20\".\r\n" );
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document.write( "From this proportion, find x = \"%2863%2A20%29%2F15\" = \"%2863%2A4%29%2F3\" = 21*4 = 84.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Answer.   The estimate is  84  moose.\r
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\n" ); document.write( "\n" ); document.write( "See the lesson\r
\n" ); document.write( "\n" ); document.write( "    - Using proportions to estimate the number of fish in a lake\r
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