If a 14-karat ring weighs 0.5 ounce, how many ounces of pure gold does it contain?

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?

How is this equation completed? i cannot find any examples in the book.

Care repairs are less than or equal to $500