Help me pls i will give brainliest have a good day♡︎シت

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?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Define multiplicative inverse. give an example of a number and its multiplicative inverse.