Consider an individual whose preferences are described by the utility function is U = X⁰.⁵Y⁰.⁵. If she consumes 6 units of X and 2 units of Y, then some level of utility will be experienced. If the individual instead consumes 3 units of Y, how much of good X must she consume in order to attain the level of utility associated with 6 units of X and 2 units of Y?
A) - X = 1
B) - X = 2
C) - X = 3
D) - X = 4
E) - X = 5
F) - X = 6