What is 0.8% written as a decimal

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?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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