SOLUTION: Sarah is x years old. Thomas is 3 years older than Sarah. David is twice as old as Sarah. The total of their ages is 51.

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Question 1061211: Sarah is x years old.
Thomas is 3 years older than Sarah. David is twice as old as Sarah. The total of their ages is 51.
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
x+x+3+2x = 51
4x = 48
x = 12 and T is x+3 and D is 2x, now you can do those.