document.write( "Question 988797: A biologist wants to estimate the number of fish living in a lake she caught 114 fish tagged each one and then released them back into the lake after a few days she got 260 fish and found that 21 of them were tagged use a proportion to estimate the number of fish living in this lake \n" ); document.write( "

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A biologist wants to estimate the number of fish living in a lake
\n" ); document.write( " she caught 114 fish tagged each one and then released them back into the lake
\n" ); document.write( " after a few days she got 260 fish and found that 21 of them were tagged use a proportion to estimate the number of fish living in this lake
\n" ); document.write( ":
\n" ); document.write( "let x = estimated no. of fish in the lake
\n" ); document.write( ":
\n" ); document.write( " $\"x%2F114\"$ = $\"260%2F21\"$
\n" ); document.write( "cross multiply
\n" ); document.write( "21x = 114 * 260
\n" ); document.write( "21x = 29640
\n" ); document.write( "x = 29640/21
\n" ); document.write( "x ~ 1400 fish in the lake \n" ); document.write( "

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