in a group of ducks and cows , the total number of legs are 12 more than twice the no . of heads . find the total no . of buffaloes .
"let the number of buffaloes be x and the number of ducks be y = > 4 x + 2 y = 2 ( x + y ) + 12 = > 2 x = 12 = > x = 6 a"
divide(12, const_2)