Hello there!
30% would be 0.3 of 1.
If this would be the case, we would then simplify this into a fraction and make it look like 3/10.
We do this because 30% is .3 of 1, like we already considered, and because of this, 10=1, and 3=30%.
Your answer: 3/10
[tex]\boxed{3/10}[/tex]
