SOLUTION: Tim is twice as old as Jim. The sum of their ages is 42. How old are they?

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Question 995374: Tim is twice as old as Jim. The sum of their ages is 42. How old are they?
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
T= 2J
T+J= 42 and since T= 2J, lets substitute:
2J+J= 42
3J= 42
J= 14 and T=2J, so:
T= 14*2= 28