SOLUTION: Maryum is twice as old as her youngest sister. The difference between their ages is 13 years. How old is her youngest sister?

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Question 893113: Maryum is twice as old as her youngest sister. The difference between their ages is 13 years. How old is her youngest sister?
Answer by algebrahouse.com(1659) About Me  (Show Source):
You can put this solution on YOUR website!
If she is twice as old, and the difference is 13,
then one is 13 and the other is 26.
Just multiplied 13 by 2.

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