3:4 = 21:n
1:5 = n : 40
2:n = 8:12
7:2 = 21:11
n: 10 = 12 : 40​


Sagot :

Answer:

3:4 = 21:28

1:5 = 8:40

2:3 = 8:12

7:2 = 21:11

3:10 = 12:40

Hope this helps:)