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The cost per hour of running a certain steamboat is proportional to the cube of its velocity in still water. At what speed should it be run to make a trip up stream against a four-mile current most economically?
A dramatization, in two Acts, of the struggles of European mathematicians of the seventeenth and eighteenth centuries to come to terms with the newly admitted negative numbers.
A horse, halving its speed each day, travels 700 miles in 7 days. How far does it travel each day?
This is a page from an early printed edition of the Arithmetica of Jordanus de Nemore (early 13th century).
A water tub holds 73 gallons; the pipe which fills it usually admits 7 gallons in 5 minutes; and the tap discharges 20 gallons in 17 minutes.
The MAA's annual summer Mathfest will take place in Knoxville, TN from August 10-12, 2006.

An introduction to the prime numbers in many of their aspects.

There is a regular pentagon. The length of its side is a. Find the area of the pentagon. Generalize your result for a nonagon.
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?