28% is 28/100 as a fraction but the simplest form is 14/50 and it can be simplified to 7/25. the decimal is 0.28
fraction is 7/25
decimal is 0.28
If she already gets the first two, thats a given 100% situation. then it is just 1/4
3 + p = 8...subtract 3 from both sides
p = 8 - 3
p = 5
The answer would be : 0.
Hope this helps !
Photon