Anca and Bruce left Mathville at the same time. They drove along a straight highway towards Staton. Bruce drove at 50\:km/h. Anca drove at 60\:km/h, but stopped along the way to rest. They both arrived at Staton at the same time. For how long did Anca stop to rest?
Answer Choices
A. 40 minutes
B. 10 minutes
C. 67 minutes
D. 33 minutes
E. 27 minutes