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Problems from Another Time

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

How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students
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.
Rabbits and pheasants are put in a basket.
There were two men, of whom the first had 3 small loaves of bread and the other, 2.
Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions
What proportions of sugar at 8 cents, 10 cents and 14 cents per pound, will compose a mixture worth 12 cents per pound?
There is a number which when divided by 2, or 3, or 4, or 5, or 6 always has a remainder of 1 and is truly divisible by 7. It is sought what is the number?
Fibonacci gave a practical rule for approximating the area of an equilateral triangle.
The dimensions of a rectangular box in inches are expressed by three consecutive numbers. The surface of the box is 292 square inches. Find the dimensions.
The perimeters of two similar triangles are 45 and 135 respectively. One side of the first triangle has length 11″ and a second side, 19″. Find the lengths of the sides of the second triangle.

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