Question 1153944: Patty is three times as old as her brother, Terry. In 10 years, the sum of their ages will be 36. How old are they now? Answer by ikleyn(52790) (Show Source):
By knowing the sum of ages in 10 years, you can easily determine that the sum of ages now is 36-10-10 = 16.
Thus P is 3 time as old as T, and the sum of ages is 16.
Hence
ANSWER. T is 4; P is 12.