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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 horse, halving its speed each day, travels 700 miles in 7 days. How far does it travel each day?
Given the cats eye as shown. Let the radius of the eye be given by R. What is the area of the pupil?
Three hundred pigs are to be prepared for a feast.
A rifle ball is fired through a three-inch plank, the resistance of which causes an unknown constant retardation of its velocity.
As for a square piece of land that amounts to 100 square cubits, if it is said to you, "Cause it to make a piece of land that amounts to 100 square cubits that is round," what is the required diameter?
The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.
A fox, a raccoon, and a hound pass through customs and together pay 111 coins.
There is a regular pentagon. The length of its side is a. Find the area of the pentagon. Generalize your result for a nonagon.
Two men rent a pasture for 100 liras on the understanding that two cows are to be counted as being equivalent to three sheep. The first puts in 60 cows and 85 sheep; the second 80 cows and 100 sheep. How much should each pay?
Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions

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