Sunday, June 13, 2010

How Old is Mary?

"You see," remarked GrandPa, "the combined ages of Mary and Ann are 44 years, and Mary is twice as old as Ann was when Mary was half as old as Ann will be when when Ann is three times as old as Mary was when Mary was three times as old as Ann.
How old is Mary?

~ Sam Loyd, Cyclopedia of Puzzles, 1914

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