ellen had 25 hair clips.7 of them and the rest were purple , what precent of the hair clips were blue
28% If you take 7 and divide it by 25 (complete amount) and times it by 100 you get the percentage.
Answer=28%
Assuming you meant to say that 7 of them were blue, and the rest were purple...
7 x
___=___
25 100
cross multiply
25x=700
x=28