SOLUTION: In three years time Susan will be twice as old as Mary was last year. If Mary will be 8 years old next year, how old is Susan now?
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Question 1080168: In three years time Susan will be twice as old as Mary was last year. If Mary will be 8 years old next year, how old is Susan now?
Answer by FrankM(1040) (Show Source): You can put this solution on YOUR website!
(S+3)=2(6)
S=9
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