SOLUTION: shaun is 9 years older than his younger sister Mary. In 7 years time, he will be twice as old as she is. How old are they now?
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Question 748228: shaun is 9 years older than his younger sister Mary. In 7 years time, he will be twice as old as she is. How old are they now?
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
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