# Convergence articles

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In a forest, a number of apes equal in number to the square of 1/8 of the total number of apes are noisy. The remaining 12 apes are on a nearby hill irritated. What is the total number of apes in the pack?

A biography of the 18th century author of an early calculus text, with some translations from the text.

I found a stone but did not weigh it; after I added to it 1/7 of its weight and then 1/11 of this new weight, I weighed the total at 1 mana. What was the weight of the stone?

A tree 100 units high is 200 units distant from a well; from this tree one monkey climbs down and goes to the well...

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. I owe a man the following notes: one of$800 due May 16; one of $660 due on July 1; one of$940 due September 29. He wishes to exchange them for two notes of \$1200 each and wants one to fall due June 1. When should the other be due?