The TV equals 20% because 1.1-4 years equals points
Fractional index means "xth root of". Negative index means a fraction. So together, what it really means is:
![\frac{1}{\sqrt[5]{32}} = \frac{1}{2}.](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B%5Csqrt%5B5%5D%7B32%7D%7D%20%3D%20%5Cfrac%7B1%7D%7B2%7D.)
True, if you see the picture of a triangle with altitudes, the lines are drawn on the inside. Hope that helps!)
This would be like
1=6 2=12 3=18 4=24
putting this in a graph this would look like
1 2 3 4
6 12 16 24