Answer:

1. 1:2 = 3:6

2. 7:21 = 8:24

3. 7:42 = 10:60

4. 2:4 = 6:12

5. 5:15 = 9:27

sana makatulong :)

Step-by-step explanation:

propotion

1. 6:3=1:2
2. 8:21=7:24
3. 10:42=7:10
4. 4:12=2:6
5. 6:27=9:15

sana makatulong