SOLUTION: Jack is 3 times as old as Lacy. 7 years ago the sum of their ages was 34 . How old are they now?

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Question 1127596: Jack is
3
times as old as Lacy.
7
years ago the sum of their ages was
34
. How old are they now?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
now they are x (Lacy) and 3x (Jack)
before 3x-7 and x-7 and that sum is 34
4x-14=34
x=12 Lacy now
3x is 36 Jack now
7 years ago it was 5 and 29 and their sum is 34.