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Problems from Another Time

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

What will the diameter of a sphere be, when its volume and surface area are expressed by the same number?
Knowing the base, b, and the altitude, a, of a triangle, find the expression for a side of the inscribed square.
Three men wish to buy a horse but none have a sufficient amount of money for the purchase; to do so, they must borrow from each other. How much money does each man have and what is the price of the horse?

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