document.write( "Question 886217: The ratio of robins to blackbirds that visit our feeder is 4 to 7. If there are a total of 132 birds, how many robins visit the feeder? \n" ); document.write( "
Algebra.Com's Answer #535780 by JulietG(1812)\"\" \"About 
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4:7
\n" ); document.write( "132 (total birds) / 11 (ratio 4+7) = 12
\n" ); document.write( "Multiply 12 by each number in the ratio
\n" ); document.write( "48 robins:84 blackbirds
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