document.write( "Question 1173103: A farmer looked out his window and saw a total of 21 cows and ducks. He was bored so he counted all the legs of the cows and ducks. He counted a total of 72 legs. How many of the 21 animals were ducks? \n" ); document.write( "
Algebra.Com's Answer #798247 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! d ducks, 21-d cows\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( ". \n" ); document.write( " |