document.write( "Question 1006950: A biologist catches 41 fish in lake and tags them. She returns and catches a new sample containing 50 fish only 7 of the fish tagged. Based on this ratio, what is the approximate population of fish in the lake ? \n" ); document.write( "
Algebra.Com's Answer #623022 by ankor@dixie-net.com(22740)\"\" \"About 
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A biologist catches 41 fish in lake and tags them.
\n" ); document.write( " She returns and catches a new sample containing 50 fish only 7 of the fish tagged.
\n" ); document.write( " Based on this ratio, what is the approximate population of fish in the lake ?
\n" ); document.write( ":
\n" ); document.write( "let x = the population of fish in the lake
\n" ); document.write( ":
\n" ); document.write( "The total fish to tagged fish relationship
\n" ); document.write( "\"x%2F41\" = \"50%2F7\"
\n" ); document.write( "Cross multiply
\n" ); document.write( "7x = 41 * 50
\n" ); document.write( "7x = 2050
\n" ); document.write( "x = 2050/7
\n" ); document.write( "x ~ 293, approximately 300 fish in the lake
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