blonde :O

Hey all so i'll try not to waffle
Current hair- curly/frizzy hair in pic. Other pics are ones im loving- especially the long straight hair
So i've always had light blonde hair- at the moment its been bleached so its light light but i was wanting to advice before i tone it as i never get the colour im aiming for. Im super pale and think these other photos show a colour which i'd love- its not super yellow sort of natural looking. Went to sallys and somehow came back with these colours listed below.
which the sales assistant thought would do the trick- problem is she didnt mention ratios- my hair grabs colour fast so obviously not something i want to leave on too long
im thinking 3/4 902 then 1/4 900?

Colour Solutions Ion colour- 900(ultra light blonde) 902(ultra light irise blonde)

Help lovely people if this was yourselves what would you think of doing?
thanks all  *hugs*

Edit- found a pic of my old/drunken selfie hair colour(Smiley face photos!  :)) which i love!- i moved hairdressers who said theyd keep it the same then turned it very light and bland looking  *ott*