SOLUTION: katie is twice the age of sophie this year. Four years ago she was three times Sophie's age, what is Sophie's age now

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Question 1080722: katie is twice the age of sophie this year. Four years ago she was three times Sophie's age, what is Sophie's age now
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
1.
Four years ago,



Substituting from 1,




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