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Problems from Another Time

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

Given a right triangle where you know the length of the base and the sum of the perpendicular side and the hypotenuse.

Given the cats eye as shown. Let the radius of the eye be given by R. What is the area of the pupil?
If 40 oranges are worth 60 apples, and 75 apples are worth 7 dozen peaches, and 100 peaches are worth 1 box of grapes and three boxes of grapes are worth 40 pounds of pecans, how many peaches can be bought for 100 oranges?
Three hundred pigs are to be prepared for a feast.
One hundred men besieged in a castle, have sufficient food to allow each one bread to the weight of 14 lot a day for ten months.
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 merchant woman buys and sells apples and pears for Denaros. How much did she invest in apples; how much in pears?
A fox, a raccoon, and a hound pass through customs and together pay 111 coins.
Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions
Prove that if the sums of the square opposite sides of any quadrilateral are equal, its diagonals interect at right angles.

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