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Problems from Another Time

Individual problems from throughout mathematics history, as well as articles that include problem sets for students.

Given a door and a measuring rod of unknown dimensions, the rod is used to measure the door.
There were two men, of whom the first had 3 small loaves of bread and the other, 2.
The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.
What proportions of sugar at 8 cents, 10 cents and 14 cents per pound, will compose a mixture worth 12 cents per pound?
Now there is a wall 5 feet thick and two rats tunnel from opposite sides.
Fibonacci gave a practical rule for approximating the area of an equilateral triangle.
How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students
The dimensions of a rectangular box in inches are expressed by three consecutive numbers. The surface of the box is 292 square inches. Find the dimensions.
A tree 100 units high is 200 units distant from a well; from this tree one monkey climbs down and goes to the well...
Given two circle tangent at the point P with parallel diameters AB, CD, prove that APD and BPC are straight lines.

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