SOLUTION: In 2 years time John will be twice as old as his sister Sharon is now? would be very helpful first time I have done these kind of questions. It's hard to get my head around it :

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Question 587664: In 2 years time John will be twice as old as his sister Sharon is now?
would be very helpful first time I have done these kind of questions. It's hard to get my head around it :(
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
In 2 years time John will be twice as old as his sister Sharon is now?
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J + 2 = 2S
that's not enough info to solve for their ages.