Tolong di jawaaaaaaab

3. x = 104-y

x : y = 5 : 3

(104 – y) : y = 5 : 3

y = 39

x = 104 – 39

x = 65

(x,y) = 65,39

x (burung jalak), y (burung kenari)

65 – 25 = 40 (sisa brg jalak)

39 – 9 = 30 (sisa brg kenari)

rasio = 4 : 3 (b)