Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions

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

If 12 cattle eat up 3 1/3 acres of meadow in 4 weeks and 21 cattle eat up 10 acres of exactly similar meadow in 9 weeks, how many cattle shall eat up 36 acres in 18 weeks? (Hint: The grass continues to grow.)

There is a garden is the shape of a rhombus whose side is 768.52 feet. Within the garden is an inscribed square flower bed whose side is 396 feet. What is the area of the garden?

If a ball 6 inches in diameter weighs 32 lbs, what will be the weight of a ball 3 inches in diameter?

Find the two numbers such that multiplying one by the other makes 8 and the sum of their squares is 27

The purchase price for an apple and an orange is 100 yen. When n oranges and n + 3 apples are bought the price is 520 yen. Find the number n of oranges and the price of one orange.

Having been given the perimeter and perpendicular of a right angled triangle, it is required to find the triangle.

How high above the earth must a person be raised that he [or she] may see 1/3 of its surface?

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?

Determine the dimensions of the least isosceles triangle ACD that can circumscribe a given circle.