document.write( "Question 644181: There are 20 animals in the farm consisting of cows and chickens. If there are 56 legs in all, how many cows are there? \n" ); document.write( "
Algebra.Com's Answer #404871 by lynnlo(4176)\"\" \"About 
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chicken 2legs
\n" ); document.write( "cows 4legs
\n" ); document.write( " 12chickens 12x2=24
\n" ); document.write( " 8cows 8x4=32
\n" ); document.write( " 24legs +32legs =56 legs
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