A man counted his animals, 80 heads and 260 legs (ducks and goats). how many goats are there?
Pick one
A) 30  B) 40  C) 50  D) 60  E) 70
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=260 and divide 2d+4g=260 by 2 we get d+2g=130 -----------&gt; eq2   subtract eq1 from eq2   we get no of goats=50   ANSWER:50
<result>C</result>
A man counted his animals, 80 heads and 260 legs (ducks and goats). how many goats are there?