9/11 of a number is 36. What is the number?

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?

If square root x = -7, then x= -49 true or false

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r