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Convergence articles

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Two bicyclists travel in opposite directions around a quarter-mile track and meet every 22 seconds. When they travel in the same direction on this track, the faster passes the slower once every 3 minutes and 40 seconds. Find the rate of each rider
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.
Now there is a wall 5 feet thick and two rats tunnel from opposite sides.
Of the two water reeds, the one grows 3 feet and the other 1 foot on the first day. The growth of the first becomes every day half of that of the preceding day, while the other grows twice as much as on the day before.
A certain gentleman ordered that 90 measures of grain were to be transported from his house to another, 30 leucas distant.
There are two columns in the ruins of Persepolis left standing upright; one is 70 ft. above the plane, and the other 50 ft;
A comprehensive history of trigonometry from ancient times to the Renaissance.
There are two numbers whose sum equals the difference of their squares.
Four men already having denari found a purse of denari; each man has a different amount of denari before they found the purse. Find out how much denari each man has.
A biography of Arthur Cayley, the outstanding mathematician of Victorian Britain.

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