How much is 72% of 6. Please help

Plz which expression is equivalent to the expression below?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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?