Answer:
50:100
Step-by-step explanation:
10:20
= 20:40
= 30:60
= 40:80
= 50: 100
...and so on
We add 10 on the left and 20 on the right side.
Or
We can also multiply both sides by 2.
Both ways are correct and will lead you to the right answer.
#CarryOnLearning
