Posted by
**Anonymous** on
.

Mark is 11 years older than his sister. In 8 years he will be twice as old as she will be then. How old are they now?

Monday

March 27, 2017
Posted by
**Anonymous** on
.

Mark is 11 years older than his sister. In 8 years he will be twice as old as she will be then. How old are they now?

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