A friend's math problem about horses, 100 horses, 100 watts, 3 male horses, 2 female horses, 1 pony, how many horses are there?
Male x female y small z
3x + 2y +z/2 = 100
x+y+z= 100
Draw (a conclusion)
(x,y,z) (20,0,80) ( 17,5,78 ) ( 14, 10,76)( 1 15,74) (8,20,72) (5,25,70) (2,30,68)