Answer :
If 600 is 100%, then what is percentage is represented by 390?
To answer this question, we must build a relation as follows:
[tex]\frac{600}{100}=\frac{390}{x}[/tex]Where x is the value we want to know.
Solving for x:
[tex]x\cdot\frac{600}{100}=390[/tex][tex]x=390\cdot\frac{100}{600}[/tex][tex]x=\frac{39000}{600}[/tex][tex]x=65[/tex]Answer: 65%