Question

(i) If A:B = 3:5 and B: C = 4:7, find A: B: C.
ii) If x: y = 2:3 and y: z = 5:7, find x:y: z.
ii) If m: n = 4:9 and n: s= 3:7, find m: s.​

Answer 1

Answer:

1.12:20:35

2.10:15:21

3.4:21