Solution \(Y\) is \(30\) percent liquid \(X\) and \(70\) percent water. If \(2\) kilograms of water evaporate from \(8\)

[Gmat_mission]

Solution \(Y\) is \(30\) percent liquid \(X\) and \(70\) percent water. If \(2\) kilograms of water evaporate from \(8\) kilograms of solutions \(Y\) and \(2\) kilograms of solution \(Y\) are added to the remaining \(6\) kilograms of liquid, what percent of this new liquid solution is liquid \(X?\)

A. \(30\%\)
B. \(33 \frac13\%\)
C. \(37 \frac12\%\)
D. \(40\%\)
E. \(50\%\)

[spoiler]OA=C[/spoiler]

Source: Official Guide