H. E. Dudeney, Amusements in Mathematics (1917) No. 45 · Puzzles · Age & time puzzles
Mother and Daughter
"Mother, I wish you would give me a bicycle," said a girl of twelve the other day.
"I do not think you are old enough yet, my dear," was the reply. "When I am only three times as old as you are you shall have one."
Now, the mother's age is forty-five years. When may the young lady expect to receive her present?
H. E. Dudeney, Amusements in Mathematics (1917) · No. 45
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