I need to know what I can do make this proportional.
![I need to know what I can do make this proportional class=](https://us-static.z-dn.net/files/dab/c47a9c9dda416b9b7d4314ae4dede1e6.png)
Lets observe:
We have two points
(20, 10) and (30, 15)
What it show us?
When x = 20, y = 10
When x = 30, y = 15
As you can see, we have to go 10 in x to have 5 in y, so that means y is even half of x
So the proportion is 1/2 between y and x