Describe and correct the error in solving the system of linear equations​

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

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?

98 point question what is the record for most points in one