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A four-sided town measures 1100 feet on one side and 1000 feet on the other side, on one edge 600 and the other edge 600.

A speculator bought stock at 25% below par and sold it at 20% above par. He gained $1560. How much did he invest?

As this biography reveals, Servois fought in battles for Paris and for the foundations of calculus.

Two men start walking at the same time and travel a distance. One is walking faster and completes the journey sooner. How fast did each man travel?

There are four winners of the HOM SIGMAA Student Paper Contest for 2008. The papers may be accessed here.

A father left $20,000 to be divided among his four sons aged 6, 8, 10, and 12 years respectively, so that each share placed at 4 1/2 percent compounded interest should amount to the same value when its possessor becomes the age 21.

An official asks a woman why she has so many bowls to wash. The woman explains that she had dinner guests who ate meat, rice, and soup. Judging by the number of bowls, how many guests were there?

I wish to find three numbers of such nature that the first and the second with 1/2 of the third makes 20...

In a right triangle, let the perpendicular be 5 and the sum of the base and hypotenuse 25. Find the lengths of the base and hypotenuse

How Servois' failed attempt to construct a foundation for the calculus nonetheless helped shape modern mathematics