SOLUTION: Karen is twice as old as Maria. Karen is also three years older than Maria. How old is Maria?

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Question 646951: Karen is twice as old as Maria. Karen is also three years older than Maria. How old is Maria?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Write an equation for each statement
:
Karen is twice as old as Maria.
k = 2m
Karen is also three years older than Maria.
k = m + 3
Replace k with 2m (from the 1st statement)
2m = m + 3
2m - m = 3
m = 3 yrs is Maria's age