in a group of pigs and hens , the number of legs are 22 more than twice the number of heads . the number of pigs is
explanation : let the number of pigs be x and the number of hens be y . then , 4 x + 2 y = 2 ( x + y ) + 22 4 x + 2 y = 2 x + 2 y + 22 2 x = 22 x = 11 answer : e
divide(22, const_2)