in a group of ducks and cows , the total number of legs are 16 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 ) + 16 = > 2 x = 16 = > x = 8 c
divide(16, const_2)