In a group of buffaloes and ducks, the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group? Pick one
A) 6  B) 8  C) 10  D) 12  E) 14
Let the number of buffaloes be x and the number of ducks be y.   Then 4x+2y=2(x+y)+24   =&gt;x=12   ANSWER 12 12
<result>D</result>
In a group of buffaloes and ducks, the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group?