SOLUTION: John, who is sixteen years old, is four times as old as his brother. How old will John be when he is twice as old as his brother? o.0

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Question 1012107: John, who is sixteen years old, is four times as old as his brother. How old will John be when he is twice as old as his brother? o.0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The difference is 12 years.
--> 12 & 24