I NEEED HELP ASAP PLEASE

Answer this question only if you know the answer! 30 points and

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Which expression is equivalent to -12(3x-3/4)