document.write( "Question 1196255: To determine the number of in a lake , a conservationist catches 450 trout's , tags them, and releases them. Later 88 are caught, and it is found that 45 of them are tagged. Assuming that the proportion of tagged in the second sample was the same as the proportion of tagged in the total population, estimate the number of in the lake. \n" ); document.write( "
Algebra.Com's Answer #828999 by math_tutor2020(3816)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Method 1 \n" ); document.write( "450/x = 45/88 \n" ); document.write( "450/x = 450/880 \n" ); document.write( "x = 880 \n" ); document.write( "I multiplied top and bottom of the second fraction by 10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Method 2 \n" ); document.write( "450/x = 45/88 \n" ); document.write( "450*88 = x*45 \n" ); document.write( "45x = 39600 \n" ); document.write( "x = 39600/45 \n" ); document.write( "x = 880 \n" ); document.write( "In the second step, I crossed multiplied. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer: 880 \n" ); document.write( "This is an estimate, so the actual population count will likely be different from this. \n" ); document.write( " \n" ); document.write( " |