Xavier, Yolanda, and Zixuan have a total of \$50. The ratio of the amount Xavier has to the total amount Yolanda and Zixuan have is 3:2. Yolanda has \$4 more than Zixuan. How much does Zixuan have?
Answer Choices
A. \$16
B. \$8
C. \$14
D. \$13
E. \$30