SOLUTION: John is now 4 times older than his son, Ethan. Six years ago, the sum of their ages was 18. How old are they now?

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Question 433857: John is now 4 times older than his son, Ethan. Six years ago, the sum of their ages was 18. How old are they now?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
If the sum of their ages was 18 six years ago, the sum of their ages now is 30 (Both John and Ethan have aged 6 years):
x+4x=30
5x=30
x=6
4x=24
John was 18 six years ago. Ethan was 0.