A man counted his animals, 80 heads and 270 legs (ducks and goats). how many goats are there?	Pick:
A) 30 B) 40 C) 50 D) 60 E) 55
let no of ducks=d and no of goat=g   d+g=80(heads)----------&gt; eq 1   each duck has 2 legs and goat has 4 legs   2d+4g=270 and divide 2d+4g=270 by 2 we get d+2g=135 -----------&gt; eq2   subtract eq1 from eq2   we get no of goats=55   ANSW55R:55
<result>E</result>
A man counted his animals, 80 heads and 270 legs (ducks and goats). how many goats are there?