I am offering Brainliest, A like on your answer, and a 5 star review. This should be simple, but I just don't understand.. Please, someone help.

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

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?

Given abcd ac=38 and ae=3x+4 find the value of x