In the diagram, point Q lies on P R and point S lies on Q T. What is the value of x ?
Answer Choices
A. 10
B. 30
C. 50
D. 40
E. 20
In the diagram, point Q lies on P R and point S lies on Q T. What is the value of x ?
Answer Choices
A. 10
B. 30
C. 50
D. 40
E. 20