The question in the picture

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?

With number 11 ( show how you got the answer)

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount