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The purchase price for an apple and an orange is 100 yen. When n oranges and n + 3 apples are bought the price is 520 yen. Find the number n of oranges and the price of one orange.
There is a circle from within which a square is cut, the remaining portion having an area of 47.6255 square units.
Two merchants, A and B, loaded a ship with 500 hhds (hogshead) of rum; A loaded 350 hhds, and B the rest; in a storm the seamen were obliged to throw overboard 100 hhds; how much must each sustain of the loss?
An interesting problem from Banneker's notebook as well as other problems to use with students.
Poster of Banneker, with a brief description of his life and work.
Subtitled How an Ancient Brotherhood Cracked the Code of the Universe and Lit the Path from Antiquity to Outer Space, this is a book of entertaining stories more so than scholarly research.
Suppose the area of an equilateral triangle be 600. The sides are required.

As is the case with a great deal of interesting mathematics, the conic sections are believed to have been discovered in an attempt to solve a problem, a problem which on the surface seems to have nothing to do with conic sections.

Determine the different values of x, when a certain function hits a minimum.
A biography of the geometer Donald Coxeter.