today rose is twice as old as sam and sam is 3 years younger than tina. if rose, sam,and tina are all alive 4 years from today, which of the following must be true on that day?
I. rose is twice as old as sam II. sam is 3 years younger than tina III. rose is older than tina
A) I only B) II only C) III only D) I and II E) II and III
