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Problems from Another Time

Individual problems from throughout mathematics history, as well as articles that include problem sets for students.

A lady being asked how old she was at the time of her marriage replied that the age of her oldest son was 13; that he was born 2 years after her marriage...
A boy gives 11 coins of equal denomination to a man, and the man finds that their total value in yen is 4 less than his age.
How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students
There were two men, of whom the first had 3 small loaves of bread and the other, 2.
There is a log 18 feet long, the diameter of the extremities being 1 ft and 2.6 ft respectively...
What proportions of sugar at 8 cents, 10 cents and 14 cents per pound, will compose a mixture worth 12 cents per pound?
Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions
Fibonacci gave a practical rule for approximating the area of an equilateral triangle.
A gentleman has a garden of rectangular form and wants to construct a walk of equal width half way round to take up half the garden. What must be the width of this walk?

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