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This is a page from an early printed edition of the Arithmetica of Jordanus de Nemore (early 13th century).
A man bought a number of sheep for $225; 10 of them having died, he sold 4/5 of the remainder for the same cost and received $150 for them. How many did he buy?
Two travelers, starting at the same time from the same point, travel in opposite directions round a circular railway.
The steamer, Katie, leaves the wharf at New Orleans and runs an average speed of 15 mph. When Katie had gone 25 miles, the steamer R.E. Lee leaves the wharf and runs the average speed of 18 mph. How far will the Lee go before she overtakes the Katie?

What it took to get an 8th grade education in 1895

A merchant gave a university 2,814 ducats on the understanding that he was to be paid back 618 ducats per year for 9 years, at the end of which the 2,814 ducats should be considered as paid.
A California miner has a spherical ball of gold, 2 inches in diamter, which he wants to exchange for spherical balls 1 inch in diameter. How many of the smaller spheres should he receive?
A description of a Research Experience for Undergraduates conducted in 2007 at Hood College.
Show that the curves x2 - y2 = a2 and 2 xy = b2 cross at right angles.
A study of Victorian idealism and its relation to religion, as exemplified in the work of three 19th century British mathematicians.